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Mary Ann Feuerstein, Recorder I—/ RESOLUTION 4 r, RE: APPROVAL OF WYOMING MINERAL CORPORATION'S REQUEST FOR cN EXTENSION OF THEIR SPECIAL USE PERMIT FOR SOLUTION MINING ACTIVITIES AT THE GROVER TEST SITE, WELD COUNTY, COLORADO. c� WHEREAS, the Board of County Commissioners of Weld County, c\2 Colorado, pursuant to Colorado statute, and the Weld County N- Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and `rl WHEREAS, at a regularly scheduled meeting of the Board of 0 County Commissioners, held the 8th day of August, 1977 , the Board reviewed the request for extension of Wyoming Mineral Corporation' s Special Use Permit for solution mining activities at the Grover Test Site in Weld County, Colorado, and WHEREAS, the Board has reviewed the recommendations of the Weld County Planning Commission for approval of said extension of time from October 1, 1977, to July 1, 1978, and has heard the comments of the staff of the Department of Planning Services . NOW, THEREFORE, BE IT RESOLVED by the Board of County Com- missioners of Weld County, Colorado, that Wyoming Mineral Corpor- ation' s request for extension of time to July 1, 1978 on their Special Use Permit for solution mining activities at the Grover Test Site in Weld County, Colorado, be, and hereby is, approved. BE IT FURTHER RESOLVED by the Board of County Commissioners of Weld County, Colorado, that the reasons for approval contained in the Planning Commission Recommendations dated July 19 , 1977, be, and hereby are, incorporated as the findings of fact of the Board of County Commissioners in this matter. The above and foregoing Resolution was , on motion duly made and seconded, adopted by the following vote on the 8th day of August, A.D. , 1977. � � BOARD OF COUNTY COMMISSIONERS ATTEST• a WELD COUNTY, COLORADO WeldCdunty Clerk and Recorder _ and clerk to the B rd' —! _ -f` ,By e .';,----,4_, ill,C . A f'i--z__)CO _ _ (1"://4—l: NJ Deputy County Jerk To -r_,_, _ ..f_� r J )2410.Y, IOU . .4g-04, .' APPRO ED AS TO -FOR : County Attorney . Jiti5L 770238 71? - Date Presented: August 15. 1977 74 Dye 2 )...>4 ((` m 0_ ('�'I m Z m L' i� \/ L; T t -c \'.. ,C--;~ O v m O O.....ri, m O �° ^ O f. ligCn O' p ' p "� rte'" O � Z Z 2 t 0 jr rr' A G+O r C O m 7 "V 4 BEFORE THE WE__ COUNTY , COLORADO PLANNIN :OMMISSION mr RESOLUTION OF RECOMMENDATION TO THE BOARD OF COUNTY COMMISSIONERS Case No . SUP # 303 :76:8 Date July 19, 1977 APPLICATION OF Wyoming Mineral Corporation ADDRESS 3900 S. Wadsworth Boulevard, Lakewood, Colorado 80235 Moved by Bill Elliott that the following resolution be introduced for passage by the Weld County Planning Commission : Be it Resolved by the Weld County Planning Commission that the application for site approval of Time Extension of 9 Months for SUP covering the following described property in Weld County , Colorado , to-wit : be recommended ( favorably ) (NMIna CI X11() to the Board of County Commissioners for the following reasons : 1. The Wyoming Mineral Corporation submitted a letter dated June 23, 1977, requesting a nine month extension for their Special Use Permit from October 1, 1977, to July 1, 1978. Said letter out- lines the reasons for the time extension request. It is the opinion of the Planning Commission that Wyoming Mineral Corporation has shown good cause for this nine month extension request as outlined in their letter dated June 23, 1977. Further, it is the opinion of the Planning Commission that the nine month extension request is reasonable and Wyoming Mineral Corporation should be given adequate time to demonstrate the effectiveness of solution mining at the test site and to demonstrate the effectiveness of their plans for sub-surface water restoration and surface reclamation. Motion seconded by Percy Hiatt Vote : For Passage Percy Hiatt _ _ Against Passage Bill Elliott Marge Yost Bette Kountz Ron Heitman Harry Ashley Chuck Carlson The Chairman declared the Resolution passed and ordered that a certified copy be forwarded with the file of this case to the Board of County Commissioners for further proceedings . Is, ,1 LEGAL DESCRIPTION ,/e O 0 - -7As7-77 A tract of land situated in the EZ of Section 24, T1ON, R62W, of the 6th P.M. , Weld County, Colorado with considering the east line of Section 24 as being N 00°58' W and with all bearings contained herein relative thereto is contained within the boundary lines, which begin at a point which bears N 27°06'30" W, 3065.77 feet from the Southeast corner of said Section 24 and runs thence N 34°12' 10" W, ' 278.40 feet; thence N 43°57'40" E, 893.83 feet; thence S 46°33'30" E, 202.02 feet; thence S 13°28' 15" E, 426.86 feet; thence S 84°13'40" W, 453.02 feet; thence S 43°25 '25" W, 377 .33 feet to the point of beginning, containing 7 .4725 acres more or less. t f CERTIFICATION OF COPY I , Shirley A. Phillips Recording Secretary of the Weld County Planning Commission , do hereby certify that the above and foregoing Resolution is a true copy of the Resolution of the Planning Commission of Weld County , Colorado , adopted on July 19. 1977 and re- corded in Book No . V _ of the proceedings of the said Planning Commission . Dated the 19 day of July _ 19 77 %'' 'N-'\ \\ ' ''.\\NI`--,-\\ . -\\_-VI Secretary L&S-77-1357 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation December 21, 1977 Mr. Tom Honn, Zoning Administrator Weld County Planning Commission 915 10th Street Greeley, Colorado 80631 Subject: Wyoming Mineral Corporation's Grover Test Site Update Dear Mr. Honn: To keep with the practice of submitting a chronology of Wyoming Mineral Corpo- ration's activities to your office, below please find an update of the Grover Test Site. If there are any further questions, please contact me. November 1977 - Mined Land Reclamation Board hearing on WMC submittal of a MLR permit application resulted in approval, a $2,500 bond was posted; different sampling requirements generated by CDH-Water Quality based on their October visit; restoration plans presented to CDH-Water; quality assurance water samples from CDH-Water for site analyses; CDH-Radiation questioned the radioactivity of WMC's brine solution; WMC responded by saying we are below permissible levels and as low as reasonably achievable; Grover weekly monitor well data being computer plotted; meetings regarding disposal of Grover process and restoration waste resulting in deactivation system being established at Grover as part of routine disposal program; WMC announced plans for Production Facility in 1979; contribution to Audubon's Grover Nature Center; new trailer on site for restoration purposes; winterization building completed; restoration of old Grover well field begun; lost pump down FM-1, but retrieved; pump and rupture test results from Keota finalized; quarterly radiation monitoring conducted; geohydrologic data from Keota completed. I hope this has provided you with an adequate update. It is Wyoming Mineral Corporation's policy to keep you informed of our activities so that no confusion will be generated in future time. Please call me for further questions. Sincerely, Thcei . Ryanl v� ;a Associate Licensing Engineer / `" FMR:ber `-. 1% L&S-77-1328 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood.Cob 80235 Phone 303 988-8530 l A Subsidiary of Westinghouse Electric Corporation December 12, 1977 Mr. Thomas Honn Weld County Planning Commission 915 Tenth Street Greeley, Colorado 80631 Subject: Wyoming Mineral Corporation's Rupture and Pump Test Results Dear Mr. Honn: As per your request, outlined below is the geohydrologic data that resulted from a pump test conducted on October 12, 1977 at Wyoming Mineral Corporation's Keota Site. Also enclosed is a report on Wyoming Mineral Corporation's Keota Sand Rupture Test conducted by W. H. Elliott, Jr. , P.E. , C.P.E.S. If there are any questions or clarifications needed on the data, please feel free to contact me. Sincerely, aftlQk Frances M. Ryan Associate Licensing Eng eer Enclosures FMR:kes cc: G. Fortner, Weld County Planning Commission W. Dunn, CDH K. Webb, CDH DEC 1'571 4 • L• RECEIVED L&S-77-1328 SUMMARY OF KEOTA GEOHYDROLOGIC DATA A geohydrologic test at Keota was completed on October 12, 1977. The test was conducted at a constant pumpage rate of 4 gpm (maximum possible rate) for 24 hours. The test involved one pumping well (340960-1Hc) and six observation wells (340960-2Hc, -3H, -4H, -5H, -6H, and -7H) . Figure 1 shows the general locations of these wells. Observation wells 340960-4Hc, -5H, -6H, and -7H monitored the water level in the Keota sand. Observation well 340960-3H monitored the water level in an upper sand unit. Observation well 340960-2Hc monitored the water level in a lower sand unit. The pumping well 340960-1Hc pumped from the Keota sand only. Table 1 shows the water level readings before and at the end of the 24-hour pump test. The results of the geohydrologic analysis are as follows: Major transmissivity 336 gpd/ft Minor transmissivity 230 gpd/ft Major hydraulic conductivity 11.2 gpd/ft2 Minor hydraulic conductivity 7.7 gpd/ft2 Direction of major axis N65°E Storage Coefficient 8.2 x 10-5 Well Efficiency 74% No leakage and no boundaries were detected throughout the pump test. At the end of 24 hours, the cone of depression had reached a distance of 1000 feet (Figure 2) from the pumped well. Based on water level data from observation well 340960-2Hc and -3H, there is no hydraulic connection between the lower or the upper sand and the ore bearing (Keota) sand. In addition to the October 12, 1977 pump test, single well pump tests were run on November 2, 1977 for well 340960-3H; on November 3, 1977 for well 360960-1Hc; and on November 3, 1977 for well 300959-1H. The transmissivities were estimated (assuming 70% well efficiency) from the specific yield using the following formula: T = 114.6 A Ln (0.0002085 S) where: T = transmissivity (gpd/ft) A = drawdown (ft. ) Q = discharge (gpm) t = time (min.) r = radius of well (ft. ) S = storage coefficient The results of this analysis are shown in Table 2. At this time groundwater quality samples are being collected and a study of local wells is being conducted. t J — J W _ N C • O w z w F-- 2Cn CC — t0 m a00 O D 0 Q Lt LI- Dnw LL = O 4--.. 0f w N O] 0 N O6 C II 01 • 7 U co D t co 0 a 0 u 0 3 000`96fi`Z b co m O H z _ a �h w O © 0o C� F_ z Q0 J Fm w Cr ili �y 0, 3= JO WO LL. Q O N w O 0 O ao O 00 ' 0 wv Ocwo �'ccooa. F- cp WO 0cf N OM a.c() N ® O G INI NI Cr a O Q Li Z -Jm ® Q M w.. • Z • • z 30 co 0 aS N 0 In03 O CV 2 Q m c° m ® D 08 CL HO) 00 J ( w YK1 = Q r^ Qcn ® �. z w c° 0 U N a J ® J V' J w o, J N w a 3 Li, 0 o co a w I- a z 0 a O O a z O w O ® 0 z w O J a. O O O Q F-- O IA Y - 1 - - - _ 9_ - ₹ o r , 5 ._ . I _ _ I I - _ __ v-- _ -_ _ _ Y _ _ _ r __ _ _ __ 2 , - _ _ __ 1_ ___ __ _ --1--= _ :_ _ _ _ _ _ _ {_ _ : , -_ _ _ - _ [ _ _ _Q __— —__— a f —I. — ----- - -- - - - ----- - - — • — t —— t—— ——,--- — - ,---------- ------ - - - - - 9 x . - /'N _ _ _ �___ __ _ _ —__ _ __ _ _ _ _ �,� ____ _-- r_ --_ _ _—___—_L _____ _ _ _ .. V 9) °d-- - 40 3— —--I-- ----- 1 -------*- ----- -4 ----- -- -9s 7 _ _ _ ��i ' _ _ E- _ - -- -_- = t= - - • i 6 — t ( . 3___ - -- __x _ ._ _ -•-_ '_ __ __ ___ _ _ ____ -_• _I _ __--t--__ _ —_ _ _ —__—f.1 _=_ ___ "" -- _ =_ __-_ ==== _ _ = _== _=-__= _ - _ - • O I -_ ---_-_ --'_ ---___-:_r_7_:_—="1=. -_ =--__ _-__ _ -__ _ - '1 Ol — ---___— _--_ _ _-_-_-_ -- -�.._ -_-y- _- __-_�___ _ _ "`a • _I.4-•-•`;3-:4-',-..',:r."•!..24:7'4,,,/ 1. •'. ." '-0'' _ , •~-•.14 'ol x 8 _ F i t i , .,-:, a - V=_ 6_ I - t _ 0 f U' s__ r _ _ F _ _ __ 9.c___ _ . - I _ -- _ . _ , _ _ _ _ . -- : - r Lin 4'f.)o 4 t--_ I ---_—__1—_— _ _ y I i --__— __ __ — _ L r f --- -- - 3 - - - t . • - - I, - : r se I d 9 I 8 i a ` I Y — 1 L&S-77-1228 Table 1 DEPTH TO WATER LEVEL (FT) Well No. Before Test End of Test • 340960-1Hc 161. 1 200. 7 340960-2Hc 206.4 206.3 340960-3H 77.7 77.7 340960-4H 154.0 163.4 340960-5H 53.0 59.6 340960-6H 161.2 169. 8 340960-7H 152.8 160.3 L&S-77-1228 Table 2 KEOTA SITE TRANSMISSIVITIES AND STORAGE COEFFICIENTS Transmissivity Well Number (;pd) Storage Coefficient 340960-1Hc 250 340960-3H 774 340960-4H 278 1.2 x 10-4 340960-5H 293 5.43 x 10-5 340960-6H 264 9.37 x 10-6 340960-7H 283 7.3 x 10-5 340960-1Hc 313 340960-1H 487 LAS-77-1228 Table 3 WELLS COMPLETED AT KEOTA SITE Well Geolo?ic Unit 340960-1Hc Keota Sand 340960-2Hc Lower Sand 340960-3H Upper Sand 340960-4H Keota Sand 340960-5H Keota Sand 340960-6H Keota Sand 340960-7H Keota Sand 360960-1Hc Buckingham Sand 300959-1H Buckingham Sand 160860-1H Buckingham Sand • 4. Al 3 5 _ - - =_ - - _ -- --- - -- - - _n —_-- —_--_,_--_ _ _---___—_t_---- __ 6 C r-( `4 r _ _ _ 3____ _ _ _ _ _ _ _ _ _ t 1 I -r--- - -. a J 7 _ _ 1 ^) ri o ,- Q-'; �f - ... •ti`s -; r_ - Jan f 2J f 3 - a` 1 i _ _ _ __ 1 f wI - •- - -= - f - - _-- _ -- - ` - - - - ---- - ! -- - - - - - - --4. -- -- - - d I - — — b _—_-1—_—_—___— ____----_—__—.____ j.__—_ _ --__ —_ ______ L ---:-------- -- - : ---; --; - _ n -t -- n --e. O -, J I. 1 - - ' 3 ____ ''1 J -�__� __-- _ _ _ _ _ _3 _ - 3 __ r = __t _ _ _ 1 ___ _ - - _ _ • � _ _ --- _ __f - -- - - r V 6 L—__-T—'--_ _ 0 3- S- - N r- - - -; - = - - - (_-- - - - - - - _ --- --- 3 --- -- ----t __ - - _-----1- - -- -i-----__- -- -- -- - - -- - 1 r ; 9 _ 0.3 7 6 - �. - _ -- - - -_ -_- -__ _ " =_- - - - r ; - _ _ =----i _ _ = - ---- ---- - 3--- _ - - - i - - - - - -'.- - i - - -3. •i -- - -- _ [- _ • ---- i -- ---- t------- -- i • • - - - - } > t - - I — - ; • f i P. •3 - - ,,: 6 I t i 1 - _ , ,.. _ 3 - a a -___ _1—__ _ ._ _ __ __- _ __ - _ __ _— • O� Z - E • • - _ - -_ IA [ V _ I - - I. z ;1- * -- I 1 9 I J I - 8 ' J----- r - - ,l - __ _ =•_ a - - - ---T -- -- - 3 - J- f r f 01 co I I r J I 8- J _ ! 4_ - - en -42 NS Yo a `` , 3 z t -_--_ _ I _ LI , z ---, -- -- - - --- , -- - -- - - - - O .•l v ' ....c•-) 3 _ 9 1 • s •- f - - _•-^ C am, °__-_- ---- _. _=- -- -- _ _- _ _ -- -- - _ -- -- —�_--- ----- ---_ 3_ _ -_ -+ - __ _—_ _ _ -- = ___ r__ _ _ _ -- O 3 - r - - -_ - _ _--- - --__-_ - r -- - _ - N = _ _ - _- _______ _ _ _____ - _ _ L 9 JJ 8 r 5 _ f t ,r_ __ _ _ • _ __ __--_�-_-L-- #, - : -y( _ l • o_., z 9 , • Report To WYOMING MINERAL CORPORATION KEOTA SAND RUPTURE TEST October 19, 1977 Bashor Well No. 340960-5H NE/4 Sec. 34-T9N-R6ON Weld County, Colorado Elliott Engineering Company Elliott Engineering Company Consultants to the Petroleum and Uranium Industnes W.H. Elliott.Jr.,P.E.,President November 18, 1977 Mr. E. W. Tiepel Wyoming Mineral Corporation 3900 S. Wadsworth Blvd. Lakewood, Colorado 80235 Re: Keota Sand Rupture Test Dear Mr. Tiepel: A brief report on the Keota Sand Rupture Test is enclosed. The test results are normal, that is: The sand ruptured at a normal pressure; the injection rates were normal for the sand types, well completion method and static formation pressure; and there were no indications of casing leakage or damage. The equipment performed satisfactorily, except for two items: 1. The duration of injection at each rate step was limited by the capacity of the storage tank used. 2. The maximum injection rate and pressure were limited by the storage tank and a plastic valve that could not be opened under pressure to permit the second injection pump to be used. Neither of these limitations prevented a successful test. They would have made the point of rupture more obvious on the graph, however. Yours truly, n W. H. Elliott, Jr. JPE, CFUS Post Office Box 1 • Littleton, Colorado 80160 • 5431 West Geddes Place • (303)979-5090 KEOTA SAND RUPTURE TEST Basnor Well No. 340960-5H NE/4 Sec. 34-T9N-R60'a Weld County, Colorado The rupture test of the Keota sand was successfully completed on Wednesday, October 19, 1977. The rupture occurred at 67 psi gauge pressure at the well head. This is approximately 79 psi absolute. It establishes the rupture gradient, often called the fracture gradient or fracture potential, at 0.71 psi per foot of depth below mound level. Data from the rupture test is presented in the table on page 2. On page 3, figure 1 is a graph of the data, which was taken while increasing the injection rate and while decreasing the injection rate. The change of slope that occurred at 67 psig well head pressure is evidence of rupture while the rate was being increased and closure of the rupture while the rate was being decreased. On September 23, 1976, a rupture gradient of 0.73 psi per foot of depth was measured for the Grover sand at the Grover Test Site in Sec. 24-T10N- R62W of Weld County. The similarity of the two values, 0.73 and 0.71, indicates that the average densities of the fo`nations overlying the two tested sands are very nearly the same. From the Keota test, it is concluded that 60 psi gauge pressure is a safe upper limit for injection wells in the Keota sand in the immediate vicinity. If the Keota sand occurs at a different depth, a safe upper limiting pressure can be calculated from the rupture gradient. Figure 2 on page 4 illustrates the location of Well 340960-5H, which was used for the rupture test, and the location of the other wells in the area. Seven of the wells are cased for pump tests while eight others are uncased exploration holes that have been plugged and abandoned. Figure 3 on page 5 is a diagrammatic sketch of Well 340960-5H showing how the well was completed and piping connected for the test. Other equipment used in the test, including pumps, filters, water storage, electrical switch gear, etc. , are not shown. Water for the test was pumped from Well 340960-1H in the Keota sand. /Y 22,14;AL W. H. Elliott, Jr. P CFGS Elliott Engineering Company KEOTA SAND RUPTURE TEST DATA Bashor Well No. 340960-5H NE/4 Sec. 34-T9N-R6OW '1eld County, Colorado Test Date 10/19/77 Well Completion Date 9/2/77 Total Depth 310 ft. ground. Casing 5 in. YM-PVC Set at 264 ft. ground Type Completion Oren Hole Ground Elevation L947 ft. Static Water Depth 152 ft. grd. , 112 ft. above sand, 48 psig sand GAUGE INJECTION GAUGE INJECTION PRESSURE RATE PRESSURE RATE psig gpm psig gpm Increased Decreased 12 35 94 64 28 41 81 57 41 46 69 _,co 50 50 53 42 61 514 • - 34 33 73 60 18 25 84 64 2 20 94 69 100 71 Elliott Engineering Company -� 1 J • • k 1- • N , i- - ---- i - ' -: 1 .- • - I - -- - - -- tLt N N ' N • J c° ci 0 Q it II t .,\, \\‘ ' , . . , • CA \ �- I— - — No_ _ _ O o �� I --r— I — o= -• r----1— in kn --`— -m h t I — --- o- < - -h ro l — cr � �_0u _ —il tai-- - - --- - - --r.`r. ? d 10. F $ ---• -\Q -- I %.RA J K. - 0 ----- -------------•'t c. F- W \ w ti y ' 0 Z3 : N ------- 8 o -- p --- --p------- -0 - -- - c)() DISd - 31=if1SS3Hd aV3H 113M --- - - - 54 - - - 8 -- - ---- --- O h h Q 0 0 ti J "A)- O tr) v o Z V c, 1` 0 I* w ? Ni O ~ O N O O ki < J Li, y 't W W W W - Z O Co V O j al Cr ( � 10) 00 • ZCO Q J II I 1- 3 OOO'96£ CO O Y d' ti! CO 3 N 0. e o x u u al a k o O 01V. ok o kg ko g- o 0 N O ® • ZIKJ s N N © < 0 _ e N N a 0 e ko o In "4' N 1O Q Oe --'''''''-1 -.4‘‘‘,..s. N N a • m N Q 0 0 0 Lg..' 0 h Elliott Engineering Company S FIGURE 3 5 KEOTA SAND RUPTURE Ti3T Diagrammatic Sketch Bashor 'dell No. 340960-5H Pressure Gauge Depth ft. o 1,_____� b Flow Meter 9 in. dia. hole I Cement to surface from 264 ft. 224 r_L-- Centralizer 5 in. ID PVC Casing 244 -- Centralizer 264 Bottom of Casing Keota Sand 4.75 in. dia. Open Hole 310 , .- Total Depth Elliott Engineering Company , n Report To WYOMING MINERAL CORPORATION KEOTA SAND RUPTURE TEST October 19, 1977 Bashor Well No. 340960-5H NE/4 Sec. 34-T9N-R60W Weld County, Colorado Elliott Engineering Company Elliott Engineering Company Consultants to the Petroleum and Uranium lndustnes W. H.Elliott,Jr.,P.E.,President November 18, 1977 Mr. E. W. Tiepel Wyoming Mineral Corporation 3900 S. Wadsworth Blvd. Lakewood, Colorado 80235 Re: Keota Sand Rupture Test Dear Mr. Tiepel: A brief report on the Keota Sand Rupture Test is enclosed. The test results are normal, that is: The sand ruptured at a normal pressure; the injection rates were normal for the sand types, well completion method and static formation pressure; and there were no indications of casing leakage or damage. The equipment performed satisfactorily, except for two items: 1. The duration of injection at each rate step was limited by the capacity of the storage tank used. 2. The maximum injection rate and pressure were limited by the storage tank and a plastic valve ttia.t.could not be opened under pressure to permit the second injection pump to be used. Neither of these limitations prevented a successful test. They would have made the point of rupture more obvious on the graph, however. Yours truly, i W. H. Elliott, Jr. PE, CFCS Post Office Box 1 • Littleton,Colorado 80160 • 5431 West Geddes Place • (303)979-5090 KFOTA SAND RUPTURE 'EST Bashor Well No. 340960-j^ NS/4 Sec. 34-T9N-H60W Weld County, Colorado The rupture test of the Keota sand was successfully completed on Wednesday, October 19, 1977. The rupture occurred at 67 psi gauge pressure at the well head. This is approximately 79 psi absolute. It establishes the rupture gradient, often called the fracture gradient or fracture potential, at 0.71 psi per foot of depth below ground level. Data from the rupture test is presented in the table on cage 2. On page 3, figure 1 is a graph of the data, which was taken while increasing the injection rate and while decreasing the injection rate. The change of slope that occurred at 67 psig well head pressure is evidence of rupture while the rate was being increased and closure of the rupture while the rate was being decreased. On September 23, 1976, a rupture gradient of 0.73 psi per foot of depth was measured for the Grover sand at the Grover Test Site in Sec. 24-T1ON- R62W of Weld County. The similarity of the two values, 0.73 and 0.71, indicates that the average densities of the formations overlying the two tested sands are very nearly the same. • From the Keota test, it is concluded that 60 psi gauge pressure is a safe upper limit for injection wells in the Keota sand in the immediate vicinity. If the Keota sand occurs at a different depth, a safe upper limiting pressure can be calculated from the rupture gradient. Figure 2 on page 4 illustrates the location of Well 340960-5H, which was used for the rupture test, and the location of the other wells in the area. Seven of the wells are cased for pump tests while eight others are uncased exploration holes that have been plugged and abandoned. Figure 3 on page 5 is a diagrammatic sketch of Well 340960-5H showing how the well was completed and piping connected for the test. Other equipment used in the test, including pumps, filters, water storage, electrical switch gear, etc. , are not shown. Water for the test was pumped from Well 340960-1H in the Keota sand. W. H. clliott, Jr. Pi CFG3 Elliott Engineering Company KEOTA SAND RUPTURE TEST DATA Bashor Well No. 3L0960-5H NE/4 Sec. 34-T9N-R60;J Weld County, Colorado Test Date 10/19/77 Well Completion Date 9/2/77 Total Depth 310 ft. ground. Casing 5 in. YM-PVC Set at 264 ft. ground Type Completion Onen Hole Ground Elevation 4947 ft. Static Water Depth 152 ft. ad., 112 ft. above sand, 48 psig sand GAUGE INJECTION GAUGE INJECTION PRESSURE RATE PRESSURE RATE psig gpm psig gpm Increased Decreased 12 35 94 64 28 41 81 57 41 46 69 5o 50 50 53 42 61 54 ' - ' 34 33 73 60 18 25 84 64 2 20 94 69 100 71 Elliott Engineering Company i --, •—� -- t - -_ - —-- —• • o - • O N —N a C -- O — -------- -- ------------- --- - - - - CO \ i�-_.. r--. n pp - ------- ------- --- -- - - — —41 N. to r — • kY \\NN. N J CD Cti. 'O eC \\*\ **TN N. ; . - ; ' ' \ • , . \ ; , o W _- O3 po •�� N - ---I-- co co 2 --0— a v 1 --- - ---J L' mh i l z9 h - - - i CC C9 I v • - -m L - -- - o W D Q d- „ — — �N } , M u LT v z • i J , 1a- W \ \ — '� y --— - — - — — - — — o 03 z3 -- - - - - - , - • - O - - - -- - ------ -- --- ------ ------ -------- --- ---- - - - - p p p o 8 0 $ o o o SISd - 3af1SS3ad GV H -1-13M y $ o — r. O J r h v Q O O g N. o _. ,, k _ l_ Cn U 01 "' 0 0 c v LC W O Z 0 N) tq 1 v ~ h '� �[� � � � III ii Q v W .1Zp - h h h U b. _ Z DE ,a CI 0 c, � 0) oo Zo• L►in 3 OOO`96£'3 ap cs O Y V ti 03 c0 2 N a i 0 0 X U U at a 2 k 0 0 0,1V. 1 to ko O 0 o ko N © o a M O 0 co N N) N o 4 M N ® • Q 0 • . 0 3 V. Oi Z h b I') N a 0 ko 0 10 ** N M 0 O -‘1.11.1.1.1 C, .9 N Q s 4- a, N Q O 0 0 0 h^ O h Elliott Engineering Company • FIGURE 3 KECTA SA2iD UU TURS T23T ) Diagrammatic Sketch Basnor Well No. 340960-5H Pressure Gauge Depth ft. 0 L______D Flow i.ieter 9 in. dia. hole Cement to surface from 264 ft. 224 Centralizer 5 in. ID PVC Casing 244 I -- Centralizer 264 Bottom of Casing Keota Sand 4.75 in. dia. Open Hole 310 --,--- -- Total Depth Elliott Engineering Company L&S-77-1308 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood, Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation December 8, 1977 Mr. Kenneth W. Webb, Chief Water Quality Management Planning Section Colorado Department of Health 4210 East 11th Avenue Denver, Colorado 80220 Subject: Transmittal of November Water Quality Data Dear Mr. Webb: Pursuant to Paragraph 3(m) of the Permit for Subsurface Disposal in connection with solution mining activities, enclosed please find three copies of the analyses from weekly sampling of monitor wells at the Grover Test Site during the month of November. Please note that the inconsistency in the November 21, 1977 specific conductance results is due to the use of a different meter. WMC had to resort to a temporary meter while the original specific conductance meter was repaired. WMC will advise when the old meter will once again be in operation. Presently, WMC is still working on a new filtration method and will inform your office when a change in the method occurs. We continue to filter those wells that do not have a high degree of solids. If there are any questions, please call. Sincerely, glekilkU4 Frances M. Ryan Associate Licensing Engi er Enclosure cc: G. Fortner, Weld County Planning Commission ✓ • R. Haubold, Colorado Division of Water Resources FMR:kes JJj'f GROVER WEEKLY ANALYSES NH3 CL- Hardness Spec. Cond. U H2O Level TDS Total Alk. Well # ppm ppm ppm pmhos/cm ppm I from Collar ppm ppm pH arn'l 4131 GI 15 1-P-15- `-I y ll 1SZ '1- a t I )7 Li ► b I (o 1- a°I 4-1 y, , (p„ 166 9 .a i > iq L) 6 a i LI LI Lib' -2 '' 1 (07' - y 11 11 41 5 I z 3-7-) '- 1 Lid 1-70_ 9-o 0-_-(11-7-- 10)3) 10)3 << lv i -7 439 4 39 '9 " OD 1.- "" 1c,31 p ` I a3 J 4-153 `1 39 ' q " I (pip 45"-n-- )11-7 41 I 1 a3 3480 1 39 ' ► 7 O ?5. 6 - I► i c `1 9 c1S- 375 e--/ 39 ' 1 CoT g.� I Iy 41 s- 3 O 31 I <l 31 ' ! o 5 .5-, I r ly F 41 4 25 3'5s' `-/ 31 ' --- 1-7 O `d.3--- ,1 Li LI l6 3y Cob 4-1 `345' .6_'• _ _ 17-2_ 17Z �. 11 Z, r 41 5' Zo 315 4/ _3g' •s" 'I7 o --_ $- GROVER WEEKLY ANALYSES NH3 CL- Hardness Spec. Cond. U H2O Level TDS Total Alk. Well # ppm ppm ppm pmhos/cm ppm from Collar ppm ppm pH �m 3 10131 4( Co 3(p yet ' 1 ! 35'x " 170 ) h h -7 53 qq3 €-1 3(0' q" 170 S.7 1 I g Col 3'6s" L f 35'`6" 1 fo b ,s ! di) Ll g 25 3q (10 3,-/ ' (1 " 17a it z) F I (o 17 37 3y9'- — -- 16<d &n-4 0)31 `I 5 y7 __- tla(0 4-! 3(p+ 10" kid 9. Z `1 -7 LI / `1 ZS `I 37. '1' 11 1511 - "!'y '' 7 5a yid 4-I 3 ' 5 „ Iisfq 9. 2_ 11174 4./ 1-ty 3 V) . 41 3z ' 04)1-5 0131 G1 5 AD LJ(oa 4I 31 '3 '1 / -7ic '-I 11 yti GI 3( ' --- /62_ _ �► 'y 4/ 5 /5 'lao '/ ' _ /91 93 � i z1 :, ( /7 31 ' 1 39 `/0 � , /9z 9 .5- GROVER WEEKLY ANALYSES NH3 CL- Hardness Spec. Cond. U H2O Level TDS Total Alk. Well # ppm ppm ppm pmhos/cm ppm from Collar ppm ppm pH arh- 6 I 0131 '-1 (p 13 q 23 �I L1d +— — )100 Is(Q 10 131 F .I IP 1i{ yfL/ Li Lot I (oO . o I ► 4-I /s 3c37 LI 3°0" fl _H__ ____ .z I I F e-j Co 3s 1-1143-- '1 3 'L+ " 17 (p - 9. i__ 1 i y C. ace 3n Ll 39 '$' 1-71 . 8" 1114 c 1 .5— as 375 `/ 3' 's" ! 1-70 I.3,5- ilk! Lr tp RD dos 6i 39 ' leg- TO 21 c '-1 6 17 363 G1 : 39 ' 1106 _ 5.6 am--) )13i 41 5 1g 4161 '1 y? '' ' 1()0 i 9-6- it 7 4-I lo 7 LILO- 4/ Liz' /76 9 ./ Ii ui 4-J Li 31 I-1 60 `1 . _ 1-13' - - ISzi q3 i I G/ z/ a7 3`5 q _q -2-/ 170-- '9457 GROVER WEEKLY ANALYSES NH3 CL— Hardness Spec. Cond. U H2O Level TDS Total Alk. Well II ppm ppm ppm pmhos/cm ppm from Collar I ppm I ppm pH , b7n 111-1 41 33 4 / 36 'y /-20 9 .2. iIiy 5- AA Li 16 4-1 36 ' /6g . y I , Ili P I LI ) -7 1-il -- &I Nto' _ - 1-7ti _ cs..7 illai s a0 ;9c• &l 35' I no �. Fr ii J c 4 Li n 35--- 4-/ 3s ' /-16 5*.9 PM- ' --- --� -- - lo 4, '-j C6 9 Z_ 41 y ---- - I-7 (e .- I I h o f k3 f Lin Gi 3 ' 1 Lo o ri ►y '-I 39 14gd 'I 3s (o " ' -1(05 i $. ilizi 1 q 31____ _ 3qj `. 1 35- 16 " 71i __� GROVER WEEKLY ANALYSES NH3 CL- Hardness Spec. Cond. U H2O Level TDS Total Alk. Well 46 ppm ppm ppm Umhos/cm ppm from Collar ppm ppm pH ()411)-2 1013i <1 9-7 503 ' Z ` )0)31 c / (p 95 LJfl 4-! 22 : ' 474 4/ 22'9 " i1 b F 4l 7 9(08 L1So 41 ZZ'Lf., I3o 1 ,y 41 4 g3- 5?i 41 ZZ3' ' 1 13-Li 9 �y F 41 LI 9-2- 1-496 4- it 725" 15"- c Q1.- 1/ 11 z1 1 7 107 14 4/ 7213" 212 �. 1421 p ` 1 1p 16 103 LI Z2:3" la g•5-- F'im- _ - 1b LI 1 / toos L1 z-7o' 2c5 -a, 1 -) `1 1- — _ --C�1� `1 g.701 M a �`.(a 1 � iy ' g 1 149� a7D' 16) 7._7 1112I 4- 10 Iy 4-/ _a70' a�� - -9.(10 GROVER WEEKLY ANALYSES NH3 CL- Hardness Spec. Cond. U H2O Level TDs 7 Total Alk. Well # ppm ppm ppm pmhos/cm ppm from Collar ppm ppm pH Frn-,Q k1 I 6 o (v-7 ay1 ' 3oa )0 .O-- ►d1i 7 9 -7'g c I . 1-1461 ) 17 ! 3a lo3-) ‘- I ay') 6' aqg I9.� 11 1 c 'l as 57c) q a ' (0" 3ay !o. a n Iy I 7 a7i &13 )1 I y r- 41 Ig (00(0 4 ( 7-561 In 9 .3 l i or q —7 Ito 5-75 ' 1 aLJ .9" a 93 9.6 (f) iL 56 r £/ 2-I9 '.7 " agy --- g - )61 3) 1-1 lob 1117 4- I gill 17? I g-(o_ lib 4-I t o 1 (0 LI35- 41 X13' 17v j g- Co ri ly 4/ y 15 Liam `I ±Lz ' 171 -- 7. 9 IA !Li 3 -)a -- I 3 _ 1 (07- • GROVER WEEKLY ANALYSES NH3 CL- Hardness Spec. Cond. U H2O Level TDS Total Alk. Well # ppm ppm ppm }mhos/cm ppm from Collar ppm ppm pH gCRe/ - :obi ao Co a - was (t 143° Le` rib ! 'Z3 143i F ab (0 a 51e7 6. 51 0381o" O ' g, CI 1 l 7 z-( -1 14 t-1`f°I Ll 4-2-` zoo �. o i ) -7F 4/ Co 3 93 , Hz' I9T _S. 2 1 l ly !I -1 3 LJII ( 14/ 13'` « 1 9 . -7 I 11 ly c 0l o 6- a 3g 't (o ; LW *6 ° I (v 1 9 PA w ts 5 t-I �.3 Li219 " L i 9 o �.3 4, c I(v Co ,3 LI a 5-- (-12 .9 " iq / Y.3 L&S-77-1180 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood.Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation November 10, 1977 Mr. Thomas Honn Weld County Planning Commission 915 Tenth Street Greeley, Colorado 80631 Subject: Sheet Four - Mylar Transmittal Dear Mr. Honn: Wyoming Mineral Corporation herewith transmits under separate cover the mylar of Sheet 4, a blueline of which was forwarded to you on October 20, 1977, via letter L&S-77-1087, as required by Development Standard 18d of Special Use Permit No. 303. We trust that you will advise when this will be brought before the Board of County Commissioners. Thank you for your assistance. Sincerely, 64_ 2 tL. --7 Carolyn . Bryan Associate Licensing Engineer Enclosure - Under Separate Cover cc: K. Webb, CDH, Water Quality Control CBB:kes :,\V I o.,,' l' l f� NOV 1;;77 .', 1.c, RECEIVED ', 'vP r) - ass;an J;U 'U L&S-77-1148 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Colo 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation November 4, 1977 Mr. Kenneth W. Webb, Chief Water Quality Management Planning Section Colorado Department of Health 4210 East Eleventh Avenue Denver, Colorado 80220 Subject: Transmittal of October Water Quality Data Dear Mr. Webb: Pursuant to Paragraph 3(m) of the Permit for Subsurface Disposal in connection with solution mining activities, enclosed please find three copies of the analyses from weekly sampling of monitor wells at the Grover Test Site during the month of October. / As per our meeting on October 12, 1977, WMC has attempted to field filter samples from every well. However, the high degree of solids • in some of the wells allowed us to filter only GM-2, GM-6, PM-2, FM-2 and 22C. We are presently in the process of working on a different filtration method so that all wells may be filtered in one week. WMC will continue to filter those wells that do not have a high degree of solids and will advise your office when a new filtration method will be employed. As might be noted, the inconsistency of the hardness parameter seems to be a result of insolubles in those samples. By analyzing the filtered samples, it appears that the hardness goes down after filtration, thus proving the presence of insolubles. WMC will advise when, in fact, the reason for the inconsistency is determined. If there are any questions, please call. Sincerely, a'il Y514-76—"-- Carolynn . Bryan Associate Licensing Enginee cc: G. Fortner, Weld County Planning Commission 4/ ,54 ' R. Haubold, State Engineer's Office �0 CBB/FMR/kes � c ,r0, 10p �, L&S-77-1107 Wyoming Mineral/ Exploration and Mining 3900 S Wadsworth Blvd Corporation / Division Lakewood,Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation October 26, 1977 Mr. Thomas Honn Zoning Administrator Weld County Planning Commission 915 Tenth Street Greeley, Colorado 80631 Subject: Grover Update/Single Well Pump Tests Dear Mr. Honn: As discussed with you by telephone on October 24, the Mined Land Reclamation (MLR) application relative to the Grover Test Site is for 8.3 acres (vs. our Special Use Permit for 7.45 acres) because MLR definitions require the inclusion of the access road in the affected acreage figures. The sampling procedures outlined in WMC letter L&S-77-1062 to Kenneth W. Webb apply to the wells at the Grover Test Site. These procedures were established in an attempt to determine the cause of variability seen in some of our weekly monitor well data. It is hypothesized that the variability has been due to sampling procedure rather than analytical procedure, but true groundwater characteristics must be taken into consideration as well. Single well pump tests are scheduled for Wednesday through Friday of next week (11/2 - 4/77) at the following locations: Section 34, T9N, R6OW Section 36, T9N, R6OW Section 30, T9N, R59W Section 16, T8N, R6OW (tentative) These tests are designed to determine hydrologic properties of the aquifer in the different areas and will be followed by periodic water quality sampling. If you have any questions, please call. Sin rely, ,> L11' a3y6LiL) trA Pfr1-\O7; ‘4(ocT 1977 siN iv 5-O -113) car olynn . Bryan Associate Licensing Engineer \itl�Ca'wty '/ u% cc: K. Webb R. Haubold CBB:kes A GEA-78-1313 Wyoming Mineral 3900 So Wadsworth Blvd Corporation Lakewood, Colo 80235 A Subsid,ary of Westinghouse Electric Corporation October 23, 1978 Mr. William S. Dunn Chief, Chemistry Section Colorado Department of Health Laboratory Division 4210 East 11th Avenue Denver, Colorado 80220 Subject: Grover Permeate Dear Mr. Dunn: As was discussed on October 18, 1978, please find attached a range of water quality data taken from the secondary R.0. at Grover. Due to the problem with our pond capacity which does not allow us to over-recover the fields, the restoration of the groundwater has been longer than anticipated. Because it is essential to reduce process overflow to the storage ponds, we propose that we dispose of the water on the ground, and we seek your concurrence. Your cooperation in this matter would be appreciated. Very truly yours, j`�i In Frances M. Ryan Associated Licensing Engineer Government & Environmental Affairs cc: Ken Webb, CDH Tom Honn, Weld County FMR:kes Attachment „7.)fkr' ' oc,1 i`� �eon�Ycn `Veld ��s�ea ,1 ry valo cots \, �S`P1 l Zl ti�\31 Attachment GEA-78-1313 I O co 4-1 • O rl I H O O O In U) 0 Q 1 H O v1 OD � I In O O N � z I O co o M V II O d �t O I cn O N O O R rl N U I O • 1 z O U f-] II O U] M In O I N in U I In N O + N O z O I o In ai G o 0 o En U r-+ rI u 0 L&S-77-1087 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation 20 October 1977/ Mr. Thomas Honn Zoning Administrator Weld County Planning Commission 915 Tenth—Street Greeley, Colorado 80631 Subject: Special Use Permit No. 303 - Sheet 4 Dear Mr. Honn: In accordance with Development Standard 18d of the above-referenced permit, enclosed please find Sheet 4 which displays the final surveyed location of the injection, recovery, and monitor wells at Wyoming Mineral Corporation's Grover Test Site. Please advise if and when this would be heard before the Planning Commission and/or Board of County Commissioners. As discussed with you on October 17, there is currently a trailer enroute from one of our Texas sites which houses a reverse osmosis unit used for restoration purposes. The unit must be winterized in order to effect our restoration program in a timely fashion, which leads to our having more trailers on-site than originally listed in our Development Standards. Please advise if there is further action required of WMC on this matter. WMC recently has been engaged in conducting hydrologic tests in the Keota area in order to deterMine pertinent aquifer characteristics. A pump test and a rupture test have been run, the results of which are yet to be compiled. The equipment used for these tests have been returned to the Grover site. Single well pump tests will be run in the future of which we will keep you advised as firm dates are established. Also enclosed is a drawing, DLGR-77-013, which indicates two holes (G-1R and G-2R) drilled for restoration purposes. Water that has been removed from the leach field and processed through the reverse osmosis system will be reinjected through these wells. If there are any questions, please contact me. Sin ,rely, Carolynn B: ryan Associate Licensing Engineer cc: K. Webb Enclosures L&S-77-1032 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation October 7, 1977 Mr. Kenneth W. Webb, Chief Water Quality Management Planning Section Colorado Department of Health 4210 East 11th Avenue Denver, Colorado 80220 Subject: Transmittal of September Water Quality Data Dear Mr. Webb: Pursuant to Paragraph 3(m) of the Permit for Subsurface Disposal in Connection with Solution Mining Activities, enclosed please find three copies of the analyses from weekly sampling of monitor wells at the Grover Test Site during the month of September. Sincerely, 4 1, CarolynjBryan Associate Licensing Engineer Enclosures (3)cc: G. Fortner, Weld County Planning Commission V/R. Haubold, State Engineer's Office CBB/kes ;" ��, j J' ,C 51V . 1 leb Coy,;ZJ 'e 1 1;-/ L&S-77-1005 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Colo 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation October 3, 1977 Mr. Kenneth W. Webb, Chief Water Quality Management Colorado Department of Health 4210 East 11th Avenue Denver, Colorado 80220 Subject: Restoration Well Drilling - Grover Test Site Dear Mr. Webb: Enclosed please find drawing DLGR-77-013 which indicates two new wells Wyoming Mineral Corporation proposes to drill for the purpose of restoration testing. The enclosed copy of letter L&S-77-1004 to Reiner Haubold gives the details of these wells. We would appreciate your prompt attention to this matter. Thank you for your consideration. Sincerely, C62A-41L-61 27e - dryt4A- (j)Lik_z.,,,—A Carolynn B. Bryan Associate Licensing Engineer Enclosures cc: G. Fortner, Weld County Planning Commission R. Haubold, State Engineer's Office CBB/kes -yc `V OCT 19—P Cr'6 RECEIVED Meld County Ott ��, yl:c^ink Cenfnissioo ��,'" L&S-77-1004 Wyoming Mineral Exploration and Mining 39C0 S Wadsworth Blvd Corporation Division Lakewood Colo 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation October 3, 1977 Mr. Reiner Haubold Division of Water Resources Office of the State Engineer 1313 Sherman Street Room 818 Denver, Colorado 80203 Subject: Restoration Test Holes - Grover Test Site *:• Dear Mr. Haubold: This is to notify you that Wyoming Mineral Corporation plans to drill two test holes = 40' to the east of the existing well field at its Grover Test Site (T1ON, R62W, Section 24) for the purpose of restoration testing. These wells will be used as injection wells during the testing which should commence in November and later will be used for collecting water quality data. The test holes will be 4" in diameter and drilled to an approximate depth of 240' . It is possible that water will be pumped from the well designated as G-8 in Drawing DLGR 77-012. Accordingly, we would request that permit No. 22031-F be transferred to this location. If there are any questions, please call. Sincerely, Y (.. .-713 J Carol B. Bryan Associate Licensing Engineer cc: G. Fortner, Weld County Planning Commission !O//v K. Webb, CDH, Water Quality Control CBB/kes r °7 89' 1Gl1g7� , SWS a\d GoOki, 1.74 ccm�tissto� \��, �\aaritag ,b U ' L&S-77-980 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation September 29, 1977 Mr. James L. Schmieding Reclamation Specialist Mined Land Reclamation Board 723 Centennial Building 1313 Sherman Street Denver, Colorado 80203 Subject: Grover Test Site, Weld County Your File No. SM-77-159 Dear Mr. Schmieding: Pursuant to our telephone conversation of September 19, enclosed is a , copy of the Weld County resolution extending the expiration date of our Special Use Permit to July 1, 1978. In response to your other questions which needed further investigation on my part, no topsoil was removed from the test site. A description of the topsoil is included in our data package submitted to you on August 22. The surface will be returned to a maximum 5% slope. If there are any further questions, please call. Si erely, Caroly . Bryan Associate Licensing Engineer Enclosure cc: G. Fortner, Weld County Planning Commission K. Webb, CDH - Water Quality Control oC� 11 5514E �. tef'� `• ��gi;112� A GEA-78-1146 Wyoming Mineral 3900 So Wadsworth B'\,-i Corporation Lakewood, Colo 80235 A Subsidiary of Westinghouse Electric Corporator September 27, 1978 Mr. Randy Overton Mined Land Reclamation Board 723 Centennial Building 1323 Sherman Street Denver, Colorado 80203 Subject: Grover Pond Capacity Dear Mr. Overton: Per our telephone conversation on August 30, 1978, Wyoming Mineral Corporation is increasing the Grover Test Facility's pond capacity by increasing the water level by one (1) foot in each pond. Thank you for your cooperation. Sincerely, 1ret•If41 0_1\ 11\ljR,-1)...-1/------ nces M. Rya Associate Licensing Engineer Government & Environmental Affairs FMR:cs cc: Ken Webb/CDH Tom Honn/Weld County Planning �� SEP 1978 3:7- cv (51 RECEIVED 0) o Weld County O0 'z: :::: Greeley National Bank Plaza Wyoming Mineral 822 7th. Street, Suite 650 Corporation Greeley, Colorado 80631 September 26, 1977 Weld County Planning Commission Centennial Center 915 - 10th. Street Greeley, Colorado 80631 Dear Sirs: It is the intention of Wyoming Mineral Corporation to erect a temporary structure over the surface facilities at our Grover Test Site, This building will be removed at the end of the test period. • Sincerely, . Bosse P oject Manager cc: C. Bryan C. Rutledge PJB/cr k ! 71N2 / ' ,-r.or"i' t i i * A kb �� / '° "n / �Ip 4 / �� o �g�iP P ti ' �� is Qa�5 4j�� G' , j _Vtt 1 . 0 • 1 NJ ' v --41 LV 0\GP''-". -N.`t ) qt,''' / , . & .3\ ,,,,,9 LJ / �� C� t,,o- g°i �� PART OF ME E/Z of 5 Z4,T/Dt4;,R.(a2lil c�THa 1 P,M., P `S'' L S�4 e/ r— !V ✓ M ,1 rN ‘ c.,-O N 0 J ! igYl. sr G.v ryCil PEE g Q,TP N2�op V O 4p' oi, 0," 3p65??.I �� " i z / t �{ � CI I , —4,, , V, I 1,1 W =. ,, iv — c� r, .r, ti qq nI .7r: NI } I �1 ;:} r. 73m 1 i Q CID 1441' t,,' U,,iILI i\ I 71/1‘1 VI i ill 0 ...r....--f H • F 11-�� '<i1{ � 1 r_ ` - - 1 n ' ti I I 3 r, " ,� y l l ' k„,II, . i I e' i L.,- 1 y _- �d; q1I w " E` d 1 (ll I! ,rs.: -.'33.x: ..y,l,, R.4Z-----__. , d, + -k--- .r cu y O _ ``- .. . ' 1•.mil I 'y .4tm r ii +G T Q � + - Aj � 't'' 1..____E I ,- # , f'...‘„)\- 4 5 _ } ; !i ---- I , 44 n 4,, _ , a , ,1/4., _ , , ,,, ri ,, ,, — --1 , 1,-. k � 1 .1 (______pA)is/ L I f; _ -- . , q.csb i.{' J - _ i o f G14) v n Atli _� v jy) 1 of Co to- ,46 COLORADO DEPARTMENT OF HEALTH 4210 EAST 11TH AVENUE • DENVER, COLORADO 80220 • PHONE 388-6111 Anthony Robbins, M.D., M.P.A. Executive Director September 15, 1977 C. B. Bryan Associate Licensing Engineer Wyoming Mineral Corporation 3900 S. Wadsworth Blvd. Lakewood, Colorado 80235 RE: Grover Test Site Well Relocation ( PG 5 and PG 6) Dear Ms. Bryan: As requested in your letter of September 9, 1977, the re- location of wells PG 5 and PG 6 and associated injection wells is approved. WMC Drawing Number 77-011 , dated September 8, 1977, now delineates the production and injection wells approved under the conditions of the subsurface disposal permit issued to Wyoming Mineral Corporation by this Division. Very truly yours, FOR DIRECTOR, WATER QUALITY CONTROL DIVISION Kenneth W. Webb, P.E. , Chief Water Quality Management Planning Section KWW:emf cc: Reiner Haubold - Division of Water Resources Gary Fortner - Weld County 7977 ==1 Weld Caple zz2 dj si7d .9St'£z ��Q�l L&S-77-899 Wyoming Mineral Exploration and Mining 39L0 S Ydadswo•th Blvd Corporation Division Lavr..vood Cc!o 80235 Phone 303 988 8530 A Subsidiary of Wecorghcuse Electric Corporation September 12, 197-7 �O '� < \I (% , < < • ` Weld County Clerk.and Recorder f'. _ 915 Tenth Street - (,,,, �r/.IYll,or/ Greeley, CO 80631 - Subject: Mined Land Reclamation Permit Application Gentlemen: On July 18 of this year, a copy of Wyoming Mineral Corporation's Mined Land Reclamation permit application was forwarded to your offices to be made available for public inspection. Enclosed please find supplemental data which have been made a part of said application and should be included in the copy currently available in your office. Thank. you for your cooperation. Sincerely, Carolynn B. Bryan Associate Licensing Engineer Enclosure _ cc: J. Schmieding, Mined Land Reclamation Board G. Fortner, Weld County Planning Commission -- K. Webb, CDH - Water Quality Control L&S-77-876 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood, Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation September 9, 1977 Mr. Kenneth W. Webb, Chief Water Quality Management Planning Section Colorado Department of Health 4210 East 11th Avenue Denver, Colorado 80220 Subject: Grover Well Drilling Dear Mr. Webb: On August 24 you approved the well locations for the Grover Test Site as delineated in WMC drawing number DLGR-77-010. Since that time, additional testing has shown that the configuration indicated in the attached map, number DLGR-77-011, is more effective to mine. Again, we may drill up to ten wells in this location. Your approval of this slight shift in well locations will be greatly appreciated. May we also call your attention to the location of the existing wells in the attached drawing. This map reflects the surveyed location of the wells unlike the previous drawing (DLGR-77-010) submitted to you. The proposed additional monitor well (GM-8) has been based on the first drawing sent to you. We will assume that its placement still addresses the State's concerns, unless we hear otherwise. Drilling is scheduled to begin September 13. This letter serves as con- firmation of verbal notification of said drilling given to your office and the office of the State Engineer on September 8 and 9. I will call on Monday, 9/12/77, to discuss the enclosed. Thank you for all your assistance. Sincerely, I , 2 VAS , ,, C. B. Bry n 1tb ` Assoc. Licensing Engr. 4) StP l '/7 RECEIVED ;"l oo cc: R. Haubold - Water Resources � Rla1Ininj Commission � G. Fortner - Weld County �. v CBB/as ��B��C L&S-77-882 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation September 9, 1977 Mr. Kenneth W. Webb, Chief Water Quality Management Planning Section Colorado Department of Health 4210 East 11th Avenue Denver, Colorado 80220 Subject: Transmittal of August Water Quality Data Dear Mr. Webb: Pursuant to Paragraph 3(m) of the Permit for Subsurface Disposal in Connection with Solution Mining Activities, enclosed please find three copies of the analyses from weekly sampling of monitor wells at Grover during the month of August. Sincerely, i ,,..... 3 Carolynn(5 Bryan 7A- 76t--,___} Associate Licensing Engineer Enclosure (3 copies) cc: R. Haubold, State Engineers Office G. Fortner, Weld County CBB/kes ,-�,N\\ 'L 1.�i {may SEP 1977 CO hold Countd :. , '' :;11,-;Connitt�fn� � Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood.Cob 80235 Phone 303 988-8530 1? 13/7 A Subsidiary of "1.-4 Westinghouse Electric Corporation SEP 1977 --"1 RECEIVED t'J®1d Caul3 "-1 r September 1, 1977 tpf t; ,j Piannlnb Coln salann � K,,/f,) ` ; 4 vV 1, Tom Honn, Zoning Administrator E Weld County Planning Commission 915 — 10th Street Greeley, Colorado 80631 Subject: Wyoming Mineral Corporation's Grover Test Site Update Dear Tom: The following is an abbreviated update of the Grover test site activities as previously agreed upon. 1. May 1977 - Water well application for Fox Hills well filed with the State Engineer's Office; site visit by CDH-Air Quality Control for 30-days-post-start-up inspection, and by the State Engineer's Office to oversee drilling of the second Fox Hills well; delivered core to State Engineer's Office; logs of all completed wells delivered to the County; County requested restoration status presentation; R.O. equip- ment shipped to Texas; baseline samples taken; began injection of chemicals; C. Bryan assumed duties of J. Donaldson as Assoc. Licensing Engineer; M. Anderson, summer student, assigned to the site to handle safety and environmental sampling. 2. June 1977 - Approval of Fox Hills well application by State Engineer's Office; core from FM-2 forwarded to State Engineer's Office; request for an approval of three new wells at north end of well field; reclamation plan submitted to Weld County; request for a 9-month permit extension sent to State and County agencies; permit review meeting held with CDH-Water and State Engineer; in-house site safety inspection and meeting conducted; injection of chemicals into cells 1 and 2; resin loaded in columns; received final surveyed location of the wells. 3. July 1977 - Restoration presentation made to Weld Co. ; approval of reclamation plan and 9-month permit extension request by Weld Co. Planning Commission; Mined Land Reclamation permit application submitted; logs, well completion data, maps, etc. , submitted to the State; water samples provided to the State; tour of the Grover site by members of the Weld Co. Planning Commission and two Greeley university professors; site chemists given additional training at the Boulder Lab; initial contacts made regarding winterization building for the site; radiation badge monitoring begun. L&S-77-865 Page 2 4. August 1977 - Submitted additional data to Mined Land Reclamation; requested and received from CDH-Water Quality Control approval to drill ten additional wells--one additional Grover monitor well required; approval of the Reclamation Plan and extension request by Weld County Commissioners; approval of extension request by CDH-Water Quality Control; Melinda Brunner replaced summer student as permanent safety and environmental technician; site inspection by CDH-Radiation. Sincerely, i C. B. Bry n Assoc. Licensing Engr. CBB/as cc: Ken Webb CDH-Water Quality Control L&S-77-837 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Cob 80235 Phone 303 988-8530 f A Subsidiary of Westinghouse Electric Corporation August 25, 1977 ti��" 4 '4 2 te; m SEP 19" 7 vED Mr. Reiner Hauboldcn fEG Div. of Water Resources z_ wenlei Office of the State Engineer PhaxxirOmmigt-'m Water Resources Engineer `9c}� �' Room 818 �CF�LG 6zr1-6Y, 1313 Sherman Street Denver, Colorado 80203 Subject: Test Holes: Section 34, T9N R60W; Section 30, T9N, R59W; Section 16, T8N, R60W; Section 36, T9N, R60W Dear Mr. Haubold, This is to notify you that Wyoming Mineral Corporation plans to drill ten test holes within the above locations (see attached table) for the purpose of collecting environmental hydrologic data. The drilling should commence August 30, while the testing should be initiated in late September or early October. After the necessary tests have been run, these wells will be used for collecting water quality data. There will be seven 5" wells and three 4" wells with an average depth of 300' . One well will be approximately 125' deep and another approximately 500' deep. If there are any questions, please feel free to call. Sincerely, af(A/6/2111t-- ---,) C. Bryan,/ Assoc. Licensing Engineer CB/mm cc: K. Webb G. Fortner L&S-77-837 77F--1,FLVIE AUU251971 _J t INTEROFFICE E COMMUNICATION LICENSING & SAFETY August 23, 1977 TO: Bill Ford; Charlie Chisholm, Rick Obernolte FROM: David R. Rivard SUBJECT: Staked Locations The following well locations in the Keota Area have been staked as requested by Wyoming Mineral Corporation. WELL NUMBER X Y ELEVATION 340960-1 HC 2,395,925.0 505,000.0 4950.6 340960-2 HC 2,395,925.0 505,020.0 4950.5 340960-3 H 2,395,905.0 505,000.0 4950.9 340960-4 H 2,395,935.0 505,060.0 4950.2 340960-5 H 2,396,075.0 505,000.0 4947.4 340960-6 H 2,395,850.0 505,025.0 4952.6 34Q960-7 H 2,395,950.0 504,900.0 4950.4 300959- HC 2,407,693.0 506,668.0 4213.0 360960-1 HC 2,403,071.0 502,670.0 4239.4 160860-1 H 2,392,000.0 485,000.0 4901.8 DRR of V • i .. ' ,eTe ,,a'' COLORADO DEPARTMENT OF HEALTH 4210 EAST 11TH AVENUE • DENVER, COLORADO 80220 • PHONE 388-6111 Anthony Robbins, M.D., M.P.A. Executive Director August 24, 1977 • ��c�i; � 307 A AUG 1977 Mr. Carleton Rutledge, Jr. , Group Leader (7, RECEIVED ` Licensing Projects o Weld County Wyoming Mineral Corporation 51 Planning Commission 'b 3900 S. Wadsworth Blvd. Lakewood, Colorado 80235 �7S1 PI 2,\• RE: Grover Test Site Well Field Extension Dear Mr. Rutledge: As requested in your letter of August 12, 1977, the locations of production wells PG5 and PG6 and the eight injection wells associated with these two production wells are approved. This approval is con- ditioned upon the drilling, completion, and operation of an additional Grover Sand monitoring well (GM-8) to be located approximately 150-160 feet north of monitoring well GM-6. The injection wells approved by this letter are not to be placed into operation until the additional monitoring well (GM-8) is placed in operational status. W.M.C. Drawing Number 77-010, dated August 9, 1977, now delineates the production and injection wells approved under the conditions of the subsurface disposal permit issued to Wyoming Mineral Corporation by this Division. This approval does not relieve Wyoming Mineral Corporation from obtaining necessary permits from the Division of Water Resources. Very truly yours, FOR DIRECTOR, WATER QUALITY CONTROL DIVISION Kenneth W. Webb, P.E. Subsurface Consultant cc: Reiner Haubold - Water Resources Gary Fortner - Weld County KWW:emf L&S-/7-810 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood Colo 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation August 19, 197723242526?j�3 �c AUG 1977 J' �° RECEI VE'D ry r Weld County Mr. Kenneth W. Webb, P.E. , Chief Flannin�Ce�j►►Isslnp Colorado Department of Health Water Quality Control Division `/eI1,ot,6v`' 4210 E. Eleventh Avenue Denver, Colorado 80222 Subject: Grover Test Site Well Field Dear Mr. Webb: This is to confirm my telephone call to you on Friday, August 19, 1977 to advise you of our plans (subject to receiving your permission) to commence on about September 1, 1977 to drill the wells described in our letter to you of August 12, 1977. Call me or Ms. C. B. Bryan if you have any questions. Sincerely, r Carleton Rutledge, Jr. Group Leader Licensing Projects CR/as cc: R. Haubold G. Fortner 9 L&S-77-/86 Wyoming Mineral Exploration and Mining :3900 s Wadsworth Blvd Wbrporation Division l akewood Coin 00235 Phone 303 988 8530 A Subsidiary of Westinghouse Electric Corporation August 12, 1977 O� 1_ 13 14 Cb U(a' - 1 REc 1977 We/ ,/ Phil Mr. Kenneth W. Webb, P.E. , Chief cr) �ln' CQoNse. cti'f Colorado Department of Health ! ice Water Quality Control Division 6,2 g��Lc 4210 East 11th Avenue Denver, Colorado 80220 Subject: Grover Test Site Well Field Extension Dear Mr. Webb: In our letter of June 13, 1977 we requested permission to drill three new wells at the north end of the existing well field at Grover (see proposed Well PG4 and the two wells immediately north and west of it as shown on the enclosed Drawing DLGR-77-010/MDCO 77-061) . These you graciously approved on June 16, 1977. Since that date we find that the mineralized zone in the vicinity of these wells is not suitable for obtaining optimum test results. Therefore we are deferring the drilling of these wells and propose, instead, to drill two production wells with eight accompanying injection wells to the southeast of the present test well field. (See proposed Wells PG5, PG6, etc. on the enclosed drawing.) These proposed new wells will be in a location better suited to effective test operations, yet within the boundaries defined by our test permit and within the surveillance range of our monitor wells. Should you have any questions, please feel free to contact me in the absence of Ms. C. B. Bryan as she will not be returning to the office until August 22, 1977. Sincerely, A,,/ti 17'C ‘7,:i1,17:(17.4 P Carleton Rutledge, Jr. , Grotip Le er Licensing Projects CR/as Attachment cc: Mr. Reiner Haubold, State Engineer's Office, w/enclosure Mr. Gary Fortner, Weld County Planning Comm. , w/enclosure L&S-77-675 I 4'" Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation VED Mr. Reiner Haubold Pfaenia►d Cap��y Colorado Division of Water Resources ma State Engineer's Office \�4' 300 Columbine Building 9 c 1845 Sherman Street Denver, Colorado 80203 Subj: Transmittal of Clay Permeability Data Dear Mr. Haubold: -Per our meeting of 6/29/77, enclosed please find a copy of our District Geologist's memo relaying data on the Grover clay permeability. In response to the comment that no data had been submitted on the Fox Hills well for the 24-hour pump test, may I refer you to Table 2 and Figure 7 of the package submitted via letter L&S-77-210. The well is referred to as Well 24-20T throughout the data package. Sincerely, 1-4L_ LiCieV/ it C. B. Bryan Assoc. Li-nsing Engineer CBB:BF Enclosure cc: K. Webb - CDH, Water Quality Control vG. Fortner - Weld Co. Planning Commission bcc: C. Bryan P. Bosse F. Hohne W. Eisenbarth J. Haley S. Gash F. Morison (H&H) J. Erbey/Pgh. file E. Tiepel File COG 1.4.1/cf Wyoming Mineral a Corporation r777From Ahmed M. Behi ^ ''�' ' ' n WIN ' i • Date July 5, 1977 Subject J U L 1 4 1977 J t � To C. Bryan L, __ ea SAFETY A sample with the following information from Foxhills Formation was subjected to permeability determination: Hole # Sample # Depth (Ft.) Permeability (md) Rock Type 19-2C N1773 295.6-296 Vertical 262 Shaly Siltstone Horizontal 158 These permeability determinations were performed by Core Labs. Please note that Grover sand unit shows an average permeability of approximately 4,000 md. '//+M1 _,A- L Ahmed`'MBehi District Geologist ;' • AMB/cr L&S-77-689 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Cclo 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation July 20, 1977 Mr. Howard Olson, Sr. Public ��" Health Chemist JUL 1977 Colorado Department of Health, RE Laboratory Division T C�'1`/E'® 4210 East Eleventh Avenue7.1 Well County Denver, Colorado 80220 r.Co l iSSiad C� Subject: Transmittal of Grover Water Samples c!//U 6 $ I- t Dear Mr. Olson: As agreed in our meeting of June 29, 1977, and as later discussed with you, we are transmitting herewith 12 one-gallon samples from two Grover, two Porter Creek and two Fox Hills monitor wells (one acidified and one non-acidified from each) . We would appreciate a copy of the results of your analyses once they are available. If I can be of further assistance, please call. Sincerely, 2, /1, , i ,/ 61_,Lei /L4( / 4J C. B. Bryn Assoc. Licensing Engineer cc: K. Webb - CDH, Water Quality Control G. Fortner - Weld Co. Planning Comm. bcc: C. Bryan P. Bosse F. Hohne W. Eisenbarth J. Haley S. Gash F. Morison (H&H) J. Erbey/Pgh File E. Tiepel COG 1.1.1 cf L&S-77-674 Wyoming Mineral T Exploration and Mining 3900 S Waciw,orth Blvd Corporation t 1 Division l_akewond C ulo 80735 Phone 303 988 8530 i A Suhsidiary of i Westinghouse Electric Corporation July 18, 1977 Weld County Clerk and Recorder 915 - 10th Street Greeley, CO 80631 Subj : Mined Land Reclamation Permit Application Gentlemen: Pursuant to the requirements of the Mined Land Reclamation Act, Rule 3.22(1) , enclosed is a copy of Wyoming Mineral Corporation's Limited Impact Permit application for its Grover Test Site - Pawnee Project. This application is to be made available for public inspection in your offices and is not sub- mitted for recording. If there are any questions, please contact me. Si rely, n t\ 1 (l 1 �,ju. bt�r� C. B. Bryan/ Associate, icensing Engineer CBB:BF cc: Mined Land Reclamation Board Gary Fortner - Weld Co. Planning Commission w K. Webb - CDH, Water Quality Control JUL1977 ` '� RECEIVED h Vali CoeAFy r F+3nning C,maaais$,IIR vc','/ L&S-77-652 Liyoring Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lal ewood,Colo 80235 Phone 303 988 8530 A Subsidiary of Westinghouse Electric Corporation July 13, 1977 Mined Land Reclamation Board Dept. of Natural Resources 1313 Sherman St. , Room 723 Denver, Colorado 80203 Attn: Bob Campbell Subject: Transmittal of Permit Application Gentlemen: Enclosed please find two copies of Wyoming Mineral Corporation's Limited Impact Permit application for its Grover Test Site - Pawnee Project, and a check in the amount of $160.00 to cover the application fee. To date we have been-operating under the provisions of permits secured from the following agencies to conduct solution mining test activities at the site in question: 1. Colorado Department of Health a. Water Quality Control Division (Subsurface Disposal Permit) b. Occupational and Radiological Health Division (Radioactive Materials License) c. Air Quality Control Division (Air Emission Permit) 2. Colorado Division of Water Resources (Water Well Permits) 3. Weld County Commissioners (Special Use Permit) 4. Weld County Engineer's Office (Permission to connect access road to county road) 5. Colorado Bureau of Mines (Notice of Activity) As discussed, we will hold in abeyance notification of having filed the permit application and securing of the required surety pending notice from your office. Currently, Wyoming Mineral Corporation holds performance bonds in the amount of $5,000.00 and $41,250.00 payable to Weld County for surface reclamation and well plugging purposes respectively (copies attached) . Please contact me if there are any questions. /./k S� �U- 971 r ' L&S-77-652 Page 2 Sincerely, • (II C. B. Bryan Assoc. Licensing Engineer CCB:BF Enclosures cc: K. Webb - Colorado Dept. of Health G. Fortner - Weld Co. Planning Commission Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation July 12, 1977 Mr. Kenneth W. Webb Chief, Water Quality Management Planning Section Colorado Department of Health 4210 East 11th Avenue Denver, Colorado 80220 Subject: Transmittal of Logs, Well Completion Information, Surveyed Well Locations Dear Mr. Webb, Pursuant to paragraphs 3(c) and 3(d) , enclosed please find the lithologic logs, geophysical logs, well completion information and a map of the final surveyed location of the wells (DLGR-77-007) . By copy of this letter to R. Haubold, we are submitting one of the required copies directly to the Colorado Division of Water Resources as per our meeting of 6/29/77. In order to keep our records in agreement, also enclosed are the map of xploration holes we have on file as having submitted to you, the memo =ndicating notification of CDWR of drilling the second Fox Hills well, and copy of a memo sent to Weld County giving a site update which I over- looked sending you initially. If there are any questions, please contact me. Sincerely,LH-6 c IL-7L '73, bcc: H. Urband C. B. Bryan/ C. Bryan Assoc. Lensing Engineer P. Bosse F. Hohne CBB:BF W. Eisenbarth Enclosures J. Haley W. Ford cc: R. Haubold S. Gash Colorado Division of Water Resources F. Morison (H&H) J. Erbey/Pgh. File G. Fortner E. Tiepel Weld County Planning Commission File COG 1.1.1/cf (tccier: r,JUL1977CEE9VEO Weill Countyining Cotlmisslt1 °�L L&S-77-649 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division l akewood Colo 80235 Phone 303 988 8530 A Subsidiary of Westinghouse Electric Corporation July 12, 1977 Mr. Kenneth W. Webb Chief, Water Quality Management Planning Section Colorado Department of Health 4210 East 11th Avenue Denver, Colorado 80220 Subject: Transmittal of Logs, Well Completion Information, Surveyed Well Locations Dear Mr. Webb, Pursuant to paragraphs 3(c) and 3(d) , enclosed please find the lithologic logs, geophysical logs, well completion information and a map of the final surveyed location of the wells (DLGR-77-007) . By copy of this letter to R. Haubold, we are submitting one of the required copies directly to the Colorado Division of Water Resources as per our meeting of 6/29/77. In order to keep our records in agreement, also enclosed are the map of exploration holes we have on file as having submitted to you, the memo indicating notification of CDWR of drilling the second Fox Hills well, and copy of a memo sent to Weld County giving a site update which I over- looked sending you initially. If there are any questions, please contact me. Sincerely, (. fiL ,(,, 4_ A___,L ,"---//) /57-,.....) C. B. Bryan/ Assoc. Licensing Engineer CBB:BF Enclosures cc: R. Haubold Co orado Division of Water Resources G.Fortner >'�\4b ]/;_ Weld County Planning Commission sz,< 4 .1' 7()\ JUL1977 \i i,..7(:::. RECEIVED Weld CeURty �� P;rfnln� CO 1PISSien ;�ti e, n if L&S-77-642 Wyoming Minora‘ 4 Exploration and Mining 3900 S Wadsworth Blvd Corporation Division LaKewacd Colo 80235 Phone 303 988-8530 A Subs'd'ary of West,ngnouse Electric Corporation July 8, 1977 4157617 JUG-1911`1 Kenneth W. Webb, P.E. pr, E�"ED Chief Water Quality Management r REG Planning Section cD Weld CHO ; Colorado Department of Health F�annia�CoFlm�ssiee J: 4210 East 11th Avenue Denver, Colorado 80220 Subject: Transmittal of June Water Quality Data Dear Mr. Webb: Pursuant to Paragraph 3(m) of the Permit for Subsurface Disposal in Connection with Solution Mining Test Activities, enclosed please find three copies of the analyses from weekly sampling of monitor wells at Grover. Traditionally, we have run our calcium and magnesium on the non-acidified sample. However, with the high pH found in the groundwater at Grover, and the irregular hardness values from the weekly samples in which we suspect precipitation,we are switching to running all cations in parallel (one acidified and one non-acidified) for the next few months. It is possible that the samples contain precipitate which we are redissolving. With the data from the next two months, we will determine whether or not we have to filter the samples in the field. If you have any questions, please call me. Sincerely, C. B. Bryan V J Associate Licensing Engineer CBB:cs cc: R. Haubold - CDWR G. Fortner - Weld Co. Planning Commission Enclosures L&S-77-598 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Colo 80235 Phone 303 988-8530 t _ A Subsidiary of Westinghouse Electric Corporation June 28, 1977 Mr. Kenneth W. Webb 01782930,i Chief, Water Quality Management �'1h �► �J Planning Section (d� Colorado Department of Health JUN 1977 cr 4210 East 11th Avenue RECEIVED Denver, CO 80220 Wald Coultr Cnmrlission - Subject: 24-Hour Purge Test , -6\� Dear Mr. Webb: Per your request, the 24-hour purge test required by paragraph 3g of the Permit for Subsurface Disposal in Connection with Solution Mining Test Activities is summarized below. The narrative is excerpted from a report of well field start-up submitted by the site manager, Mr. R.K. Barrett. The Grover well field start-up was initiated on the 5/20/77 afternoon shift. (This start-up refers to having the pumps set, pipe laid, and testing for any malfunction in the system. Only water is circulated at this time.) After starting and stopping a number of times to mend pipes, repair leaks and correct malfunctions in the circuit, we were finally able to get a balanced flow. We ran and circulated water for approximately 50 hours at a well head pressure between 0-30 psi prior to chemical injection, not including some down time due to injection problems. No weeping was detected at the surface, so it is concluded there are no incomplete exploration holes in the test site area. Samples were taken; pH's and water levels were read on the monitor wells and production wells. These samples have been submitted to our Boulder Laboratory for analysis. If you have any questions, please contact me. Sincerely,64i,/ C7(3 C. Bryan ' Assoc. Li'censing Engineer CB:BF cc: T. Honn - Weld County Planning Commission (/ R. Haubold - State Engineer's Office US-//-587 •Wtiowing Mineral Explore and Mining _ 900 S Wadsworth Blvd 6 ' Corp ration Division Lakewood, Col) 80235 Phone 303 988 8530 A Suhsidiory of Westinghouse Electric Corporation .`232930311- June 23, 1977 , ti OA 1911 rs RecEW ED ro Weld County Planning Commission two e� Ian 915 10th Street Gl Maaelot �� Greeley, Colorado 80631 /91 1,`L` Attention: Gary Fortner Gentlemen: Wyoming Mineral Corporation currently holds permits from your offices authorizing solution mining activities at our Grover Test Site in Weld County, Colorado. These permits will expire October 1, 1977. Because of circumstances described below, we hereby request an extension on these permits to cover an additional nine-month period, thereby advancing the expiration date to July 1, 1978. This extension is required because adverse weather conditions and various well field difficulties have delayed solution mining testing by nearly two months to date. Well development techniques being tested at the Grover test site have been less productive than anticipated, resulting in lost time attempting to overcome the difficulties. Furthermore, at the end of testing, additional time will be required to perform groundwater restoration as stipulated in the permits. Restoration equipment and personnel will have to be on site to implement the restoration program. The nine-month time period is requested to cover possible adverse weather conditions which could preclude running the restoration equipment during the winter months. Providing mild winter conditions exist, the program would be completed in the most timely fashion possible. If granted the extension, the surface reclamation plan would necessarily have to be postponed until 1978. Accordingly, Wyoming Mineral Corporation, at the option of the State and County, would propose to revegetate a plot of presently-disturbed land - not to exceed two acres - to test the efficiency of its revegetation plan. Efforts on this test plot could commence mid- October to mid-December, 1977, depending on weather and soil conditions. If the State and County opt to have this test plot established, WMC must be notified no later than July 15, 1977 in order to secure the necessary living materials (i.e. , plants and seeds) . L&S-77-587 - Page 2 Revegetation of the test site proper would follow the same plan as submitted in June of 1977, but might be modified by the test plot experience. Test site revegetation efforts would commence mid-October to mid-December, 1978, since the environmental conditions at this time are the most favorable for subsequent establishment of a vegetative cover the following spring. We would be pleased to meet with you as required regarding this extension request. Your assistance is appreciated. Sincerely, .e " {/ G�fI C_ ,� ',72 //,) tr' ? C. B. Bryan, Assoc. Licensing Engineer r,. JUN 1977 Licensing RECEIVED CBB/pam ‘lad Coutq ipInt ttrNissin cc: R. Haubold 6\,\ State Engineer's Office - � This identical letter was sent to the following agencies: Colorado Department of Health Air Quality Control Board Colorado Department of Health Water Quality Control Division Colorado Department of Health Occupational and Radiological Health L&S-77-573 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation • June 21, 1977 V0f-0 , ✓1v�� tv NI*toOkl 0" Kenneth Webb, P.E. , Chief \ �"�CO\ Cr) Colorado Department of Health Water Quality Control Division 0,"0- tJ(�b'0- �� 4210 East 11th Avenue Denver, Colorado 80220 Subject: Water Quality Analyses - WMC Grover Test Site Dear Mr. Webb: Enclosed in duplicate are copies of the water quality analyses of samples taken at the Wyoming Mineral Corporation Grover test site in 1976, along with a map indicating the location of the wells from which the samples were taken. As previously discussed, the individual from your department with whom we were working at that time was Mr. Howard Olson. If you have any questions, please call. Sincerely, (14-eili7C-1(__ C. B. Bryan, Assoc. Engineer Licensing CBB/pam Enclosure cc: R. Haubold - State Engineer's Office G. Fortner - Weld County Planning Commission _ I IRV 6 7©..7.* COLORADO DEPARTMENT OF HEALTH 4210 EAST 11TH AVENUE • DENVER, COLORADO 80220 • PHONE 388-6111 Anthony Robbins, M.D., M.P.A. Executive Director June 16, 1977 Ms. C. B. Bryan Associate Licensing Engineer Wyoming Mineral Corporation 3900 South Wadsworth Blvd. Lakewood, Colorado 80235 RE: Proposed Location Production and Injection Wells Dear Ms. Bryan: The location of the production well (PG-4) and the two in- jection wells at the north end of the well field is approved as submitted on Drawing Number 77-006, dated 6-13-77. W. M. C. Drawing Number 77-006, dated 6-13-77, now delineates the production and injection wells approved under the con- ditions of the subsurface disposal permit issued to Wyoming Mineral Corporation by this Division. Very truly yours, FOR DIRECTOR, WATER QUALITY CONTROL DIVISION enneth W. Webb, P.E. Subsurface Consultant KWW:emf cc: Re}}ner Haubold - Division of Water Resources Gary Fortner - Weld County • Jug+1977 RECEI V P 9 9.17 L&S-77-510 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood, Colo 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation /L JUN 197 June 2, 1977 Mr. K. Murthy 1 � �yelEo Colorado Division of Water Resources ! , Plaai�g Car;fri3� Office of the State Engineer Room 818 '1/43� 1313 Sherman Street �C�iCa Denver, Coloardo 80203 Subject: Wyoming Mineral Corp. Water Well Application Fox Hills Well Logs Dear Mr. Murthy: Per your request, enclosed are the well logs for both Fox Hills wells, FM-1 and FM-2, at the Grover Test Site. These documents contain information proprietary to Wyoming Mineral Coporation and are submitted in confidence. They are to be used solely for the purpose for which they are furnished and returned upon request. These documents and such information contained therein are not to be reproduced, transmitted, disclosed or used otherwise, in whole or in part, without the written authorization of Wyoming Mineral Corporation. If we can be of further assistance, please do not hesitate to call. Sincerely, "LAO IL/3 e--(701—r------) C. B. Bryan, Assoc. Lic. Engineer Licensing and Safety CBB/pam cc: Ken Webb - Colorado Dept. of Health Gary Fortner - Weld County Planning Comm. Enclosures L&S-77-479 Wyoming Mineral Exploration and Mining 3900 S Wadsworth Blvd Corporation Division Lakewood,Cob 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation May 23, 1977 Mr. Tom Honn, Zoning Administrator Weld County Planning Commission 915 10th Street Greeley, Colorado 80631 Subject: Wyoming Mineral Corporation's Grover Test Site Update Dear Mr. Honn: Per our conversation of May 11, 1977, the following chronology is provided as an update of Wyoming Mineral Corporation's Grover Test Site. If you need any further information, please don't hesitate to contact me. 1. October 1976 - Approval of Weld County Special Use Permit; State Subsurface Disposal Permit, Air Emissions Permit and Radioactive Materials License received; slug test scheduled and delayed. 2. November 1976 - Flood plan study to Weld County. 3. December 1976 - Water well applications filed with State Water Resources Engineer. 4. January 1977 - "Sheet Three" submitted to Weld County and approved; slug test scheduled and delayed. 5. February 1977 - Water well permits received; slug test scheduled and run; tentative well location map submitted to the State Departments of Health and Natural Resources; Jim Donaldson, Assoc. Engineer and Steve Gash, Sr. Engineer, assigned to the project to replace Bill Ford. 6. March 1977 - Notice of start-up filed for the State Air Emissions Permit. A meeting was held with the Health Department (Water Quality Control Division) and the Department of Natural Resources (State Engineer) to discuss well locations and a second tentative t? , well location map was submitted. Permission was received to connect 1371 �ti the site access road to the adjacent County road. A reverse ;;ti R ' ^; v u) osmosis restoration test was designed to clean up the slug test GEINI water recovered. Slug test recoveries were continued. Pump and ovtY rupture test results were submitted to the State Health Department; E1e\d ' •ss�ot� permission was received to inject leach solutions at a well head - VO0' Jo pressure of up to 55 psig. Wyoming Mineral Exploration and Mining � 9US-77-476 S ad Y e P 3900 S Wadsworth Blvd Corporation Division Lakewood,Colo 80235 Phone 303 988-8530 A Subsidiary of Westinghouse Electric Corporation May 20, 1977 Tom Honn, Zoning Administrator Weld County Planning Commission 915 - 10th Street Greeley, Colorado 80631 Subject: Presentation to Board of County Commissioners Dear Mr. Honn: Confirming our discussion, Wyoming Mineral Corporation would be pleased to deliver before the Weld County Board of County Commissioners a pre- sentation on the status of our Grover in-situ uranium test program to date. As we discussed, it would be beneficial to have the Board familiar with the results of our tests to date as well as our plans for restoring the 25 gpm Grover test plant. This could perhaps best take place on June 21 during the Commission's Board meeting, but we will coordinate with you later in the month to finalize our plans. Sincerely, 6-A4- 2(p-a C. B. Br Assoc. Licensing En r. Y � Engr. & Safety CBB/as cc: Gary Fortner, Director Weld County Planning Department (51 • y wb :Ib V b ub - r % 4 - dt a rtol ›xdaketti 30 mit4a,ts SIM a At_/orevZluw, L&S-78-010 Wyonfing Mineral Exploration and Mining "'i ) ; ,Var' rh f3'vd Corporation Division 1 , ; d r( H023c, f'f,or,, 303 ! S 8530 A Sit s r1 ar y 1 E la Inc Ccrr January 4, 1977 Mr. Kenneth Webb, Chief Water Quality Management Planning Section Colorado Department of Health 4210 East 11th Avenue Denver, Colorado 80220 Re: Transmittal of December Water Quality Data Dear Mr. Webb: Pursuant to Paragraph 3(m) of the Permit for Subsurface Disposal in connection with solution mining activities, enclosed please find three copies of the Analyses from weekly sampling of monitor wells at the Grover Test Site during the month of December. Please note that data from FM-1 is unavailable due to the loss of a pump down the well. It has since been retrieved. The pump is presently being repaired, thus analyses are still unavailable. It is hoped that sampling will reconvene the week of 1/9/78. There appears to be little difference in measuring conductance at the well head or in the lab. The analyses remain constant. Wyoming Mineral Corp. is therefore requesting that conductance be measured in the lab, your assist- ance in this matter will be appreciated. Also, for your information a different pH meter is presently being employed. If there are any questions, please feel free to call. Sincerely, <-1-1(1, "4. ( \ 14\ \,....24_1 Frances M. Ryan Associate Licensing Engineer Enclosure cc: G. Fortner, Weld County Planning Comm. R. Haubold, Colorado Div. of Water Resources FRM:emk s ' ap - +c GROVER WEEKLY ANALYSES NH3 CL- Hardness —Spec. Cond. U 1120 Level TDS Total Alk. Well II ppm PPm ppm limhos/cm ppm from Collar ppm ppm' p11 i1 -- ----- ----- -- -- — ---- --- -------- ------ ---- - ----- -- - - --- -I 1 -x A .o (p. 0 LID , 0 --- ti -lb Li eci- io on 16(e S.,) r �- i,?-h, J 0 -7.6 M 10 LI LI a , 0 Li G —6) . `,C., — - - 'TO Ci0 0 1 6,-) <6.3 -,41 � [-o -. � � s ,c) '1 L`K � LQ . -) 'O � - / (,, c: I,9-11 F 1,0 (c) .0 1c6 . 6 11 L(a ' L b 39 ' •-. - ---- -H-- - - GROVER WEEKLY ANALYSES -- ------ ---------- --- --- -- -- ---- - ----- -- --------- NH3 CL- Hardness Spec. Cond. U H2O Level TDS Total Alk. Well /i ppm ppm ppm pmhos/cm ppm from Collar ppm ppm pH ►1-34‘— `i-L . 1, D ° o 3-15 L,O ,3 9' ) --? o F• 2 1,,-5 t 1, ►7.) Po . b Li c.S 1 (, D 3(2 ` j. s,)f.1 ( 1°� / �' v' �° � ° �) / � �`� - IJ (� o(z?r �> 15 a, (' Fl-W\ 61. 0 (1 . 0 ,N, . 0 I-150 G), ° 2) '6 16 s -1,-1 F 1, b , 0 1,", c- 1-( t-O\ ' 1 i 0 (,(9 'O ,, 1 (.Q cI <g.iti 12-\() el .0 c1 , 0 i--1 , O C-1` 4 ( .0 3S 'Q , - -- ' (496/ Z 1p-ii F 1 . 0 g . o 15. o Li Li 2,1 eI , c? `6-foil 1 Ct, y s m-y - It3-s 6 i D �,.0 :�(� , 6 1-a°�� 4I, D _3'3' 0`' 15 ° - I I .a I(3,-1 - --- 1 t ic1,0 LILI0 — L i, O 3a_'`_� 1'--,I `�• ° GROVER WEEKLY ANALYSES NI13 CI,- Hardness Spec. Cond. U 1120 Level TDS Total Alk. Well II ppm ppm ppm Iimhos/cm ppm from Collar ppm ppm pH -,-- - - --- ----- - --- - ---- -- - --- -- - - - - ---- - --- - - ---- -- - - \I-31c - --zji0 (4'00 ` b. ( `3 0 z-I, 0 \''-i' fa' I - 71 ! i9- i+. - 41, 0 . C) /(o_ " IV I / it b Se--) ' L, r+ — — — /Coq — — 9 ,3 Dia -` I ' 0 ----). 0 -- i 5. 6 LI5 `6 'I , o `3z_,, IC' I (DI-I I 6 , - I 1fl-f„ — - - --- — — - — — i 1-n _ -I,b (4). 0 i (,, , 0 ;3-76 z- lic! Lid Ot` 1--7( 1 ,O 11--3 1. (t-).G 1(p, 0 _ --3e/-,---) 4-4-j , ( — c l o a d 16 ( / 9 0 '6,`(Y - ------- --- ------ ------ ', 41, 6 _71)_— q , 0 — (--9` 1 - ` I . O 3°1 . II " 1 Cc I ------- —-- ----- -- 1/1-5 F , Z.O 0 . O '1 7s- 4/, b 31 " I I " /44) la_\01r_ ` ! 0 -1 , o - .- I, ,O L-I3T ‘1, , LID ' S; " / (0, q-..-.? -Ill/J1 II - - - . GROVER WEEKLY ANALYSES ----------- ---- - ------ -- -- -- - --- - ---- - - - NH3 CL- Hardness Spec. Cond. U H2O Level TDS Total Alk. Well 41 ppm ppm ppm Iimhos/cm ppm from Collar ppm ppm pH 1 I-51`6 44:0- '� f '' --- ' ',)`�0 --- _‘-1,Cs CT1 " lo" I -7, 9 2- 0-6 4 if D (0 , c) ;lb , o ±k- 7 l, 0 1-ii (..6 ' )&' (7). •`) 1 -1,), c ) .0 '- , 6 a 0 i 0 LI Li 1 LI, D------------- - - -- ----- -- ---- ---- --no --- -- ---0- 0 e / I-) `6 . D ,),Li ,o ,Lao 2-- c i, 0 (-0 i 0 f)c) T7 (fin-?; --- ------- -- -- - - ------ --- -- -- -- ,i <-3-. - l-, --5- I b �> > b - 1 , r) I 1- k) 367 6 1 Coo - 'i - ----- --- )6L-, s, .,,--- D-D, LI. O 3—iO cTL{ , b (IL'S 61, O ,:35- 'O ,� 1 (06 t Is - . F �1L �`i ' 0 ILL () LB:4 Li,0 3 ' o " / Coo I -. `1 - - - ----- 01 1 i=-_ L I :L' -5_. , t'-- /(D i b I (-if—) 1 , U L c; --1 L�cis i (7'3, 9 --- - -- --- - -- - -- - 1a -5 1,01 ; ' O 30ID 1f7( /, o 3- b" I47`- 3 vim-_ -I . 6 10 ,6 0% ,0 1-1-' -g. L1 .0 .3c 1 0" 06 c.-pi GROVER WEEKLY ANALYSES NH3 CL- Hardness Spec. Cond. U H2O Level TDS Total Alk. Well If ppm ppm ppm mhos/cm ppm from Collar ppm ppm pH . _____ _________ . _ __ _ Pima - -- - --- - - - --- - - -- -a L-1, a- aiO , „ ) 1-X f '--1 ( q (ciO 6 ` Itr_) z?, . 61 ' 020(z= - U -5- ( I t lam) ,"(2) (11IL) . D ,6-6-0 L f r() f/?!' ' O 0R6-6 _ � - I - 1-,- I I L 11 JO loci ,o f_) T6 LI, b �I0 N -- - - - -- - -- -- -- --- ------- ----- - --- ------ 1 -dr� `lib La) I 1 F v (-1 1`J / I1-I 2,' Olt / \Y f c;, 0-3" 4 1,0 tip lieb Li 39 1 ,,, ki 4 if D LO i O / (Q6' <7'" i )-1-2_. 41 .0 (9 . 0 ) O . O 1 I LO 61, 0 L-I-2,‘ la / b C� `�S 3-- 0- •b 19 (b 0-( , 0 LIJ�g I •Li LI ‘b Ii I ( may <6.3 �tj ' GROVER WEEKLY ANALYSES ----------- --------- ----- -- -- NH3 CL— Hardness Spec. Cond. U H2O Level TDS Total Alk. Well I ppm ppm ppm pmhos/cm ppm from Collar ppm ppm pH ----- — -- - -- -- ) D D 6/4'3 z_ tft 70" 9• ,4.3- G 1 b �1,� e- I. () �L�`� ` /0" 6'`�LI i _p r 4. 1 , 0 01 .E )0 , 0 (.0 LIE) e 1. �� y • r r_- - - -- ---- ------------ -- - ----- - -- - ---- ---- --- - -- --- - • GROVER WEEKLY ANALYSES — ---- - - -------- --- NH3 CL Hardness Spec. Cond. U H2O Level TI)S Total Alk. Well 1l ppm ppm ppm Iim(ios/cm ppm from Collar ppm ppm pH i I-i. --K _ __KO bio 920 0-9D 5:0 1-1( b le 1c6 2_ c6• 1 -))-af f- '0 5;0 a, O :3-7 D (:) Li 'O" 1%-2- 73, J I,--p, F I5 -7, 0 . U 1:-I -\1-) 6 ,6 c.1: '0 ' - - — 1 . 1 P-n r l( ,C) 7, 0 3 , 0 I(5-. .5 .o LIto ' I9 z, I --- - --- - - -- - I IA Ii; Ilii11d I I'I i i�l�i��+ .. �, 0 coLoe l yi4, p'. • �'1 4x 1870 COLORADO DEPARTMEi,1T OF HEALTH 4210 EAST 11TH AVENUE • DENVER, COLORADO 80220 • PHONE 388-6111 Anthony Robbins, M.D., M.P.A. Executive Director April 22, 1977 Mr. J. N. Donaldson Engineer Licensing and Safety Wyoming Mineral Corporation 3900 S. Wadsworth Blvd. - - Lakewood, Colorado 80235 RE: Wyoming Mineral Corporation Subsurface Disposal Permit, Weld County Dear Mr. Donaldson: The Water Quality Control Division has reviewed your proposed Restoration Program. We feel this is a very good effort on the part of Wyoming Mineral Corporation to design a preliminary restoration program. The Division approves your proposed commencement date of operations on May 3, 1977. The restoration program is also tentatively approved, to be initiated at the end of the test program, but request adequate notice before initiating the restoration program. Very truly yours, FOR DIRECTOR, WATER QUALITY CONTROL DIVISION W nne W. Webb, P.E. , Chief W ter Quality Management Planning Section KWW:emf cc: Rner Haubold (Water Resources Division) Sary Fortner (Weld County Planning Commission) jQ f X977 C'"�Count is ei G'),;,1fI7e C:lint- ,Cu ��`r Ol 6 0 1�� I 1'1,;11 Ii 4 k�E ► _ COLORADO DEPARTMENT OF HEALTH 4210 EAST 11TH AVENUE • DENVER, COLORADO 80220 • PHONE 388-6111 Anthony Robbins, M.D., Executive Director NOTICE OF PUBLIC HEARING BEFORE THE COLORADO W2 TER QUALITY CONTROL COMMISSION Pursuant to the provisions of Sections 25-8-202(1) (g) , 25-8-401, 25-8-505(2) , and 24-4-103, C.R.S., 1973, NOTICE is hereby given that the Colorado Water Quality Control Commission will hold a public hearing concerning the application of the WYOMING MINERALS CORPORATION for a ("permit") under the regula- tions entitled "RULES FOR SUBSURFACE DISPOSAL SYSTEMS" adopted by the Commission effective May 1, 1974. The permit request is to construct and operate a subsurface disposal system for the purpose of uranium solution mining tests. The hearing will be held starting on Tuesday, August 3, 1976, 3:00 P.M., Roan 150, State Health Department Building, 4210 E. 11th Avenue, Denver, Colorado, 80220. The hearing will continue at 7:00 P.M. the evening of the same date and may be reconvened at 9:00 A.M. on August 4, 1976, if necessary, to hear pertinent testimony from any interested party. If all testimony can be received on August 3, no hearing will be held on August 4. The purpose of the hearing is to provide opportunity for inter- ested persons to submit written and oral data, views, and comments on the permit application. Any person desiring to comment should, if possible, submit their cements in writing. Any person testifying before the Commission in support of the application or in opposition thereto shall be required to do so under oath or affirmation. Any person desiring to become a party shall file such a request pursuant to 25-8-401(3) with the Can- mission prior to July 27, 1976. Those persons becoming parties will have rights pursuant to Section 25-8-505, C.R.S., 1973. A copy of the application is on file in Roan 319, 4210 E. 11th Avenue, Denver, Colorado, and may be viewed by interested persons dur- ing office hours. Persons desiring to review the application at other times may c--a11 388-6111, extension 378, and make special arrangements. Dated at Denver, Colorado, this 8th day of Jul 1976. fr Evan D. Dildine, P.E. ,Technical Secretary Colorado Water Quality Control Commission EDD:rr I IIIIIII!lillllll a�' .-- t oT ' r COLORADO DEPARTMENT OF HEALTH 4210 EAST 11TH AVENUE • DENVER, Cg jQRADO 80220 • PHONE 3$8-6111 Robbins, M.D. , Executive Director ATTACHMENT TO NOTICE OF PUBLIC HEARING WYOMING MINERAL CORPORATION URANIUM SOLUTION MINING TESTS -SITE LOCATION-- COUNTY: WELD NEAREST TOWN: Grover DESCRIPTION: A tract of land situated in the Eh of Section 24-TION-R62W of 6th P.M. , Weld County, Colorado, with considering the east line of Sec. 24 as being N 000 58' W and with all bearings contained herein relative thereto is contained within the boundary lines, which begin at a point which bears N 27° 06' 30" W 3065.77 ft. fiuu the S.E. cor- ner of said Sec. 24 and runs thence N 34° 12' 10" W 278.40 ft; then N 43° 57' 40" E 893.83 ft; then S 46° 33' 30" E 202.02 ft; thence S 13° 28' 15" E 426.86 ft; thence S 84° 13' 40" W 453.02; thence S 43° 25' 25" W 377.33 ft. to the point of beginning containing 7.4725 acres more or less. MATE OF COLORADO T 1 • ,. ss. COUNTY OF WELD i r ii d with the C:erk of the Board of County Commissioners .. 1 ' in18 '976 COUNTY CLERK AND RECORDER By Deputy Corporate Profile Power Resources Corporation ("Powerco") is primarily a uranium exploration company with an experienced geologic staff and the capability to • translate geologic ideas into concrete exploration projects. Two such projects—a 150,000-acre venture in Colorado, and a 104,000-acre venture in Wyoming —have been joint-ventured with a subsidiary of Westinghouse Electric Corporation. A third potential major project is being assembled, and Powerco is actively seeking an exploration .r,---.7.- `. .' 'u', • ., -- q-- -,:s.0„ .11,.-7 partner at this time. �` "` % 3 r � ' v .tc. • ' �e�S, , Powerco is an energy company staffed with the " ' • �r:k1 , .. ' ;-7;7%;./`� Al• Y-l' people, ,, ,4,. ,., . ti� :,-I right p p operating in the right area, at the � � is y: ,-c ~� I right time. �: t" '= : ' i•+„{S�ii - ti, ':eft. ••.{en '67.17, :.r. ter t. .6 •;••�A.'SS'�': � _ Sr {, i + I ' `'.S ,Z,.' 1'` :"�q1+'f-C16•rl?• T�J''`1%;+ S. .S A:. ,•F • L •�i�: 'Mi'1"41 . 0 . ' tom. t '"a.*�.?1'` ? 1' ' •l.':.: aK4 qPI•!'l bi. gyp,Jn 4: •t'ilgr,'_.a,�,,,titiri2r.){) `.,n 'ts,1; '?-4. r • `.i_..4,,,3r�1 ri ,r`� ,,.. ...,0.-,v •:,,"'"'-•-.3= ..., • 4, 2 My!fig• POWER RESOURCES CORPORATION , ' Presidents Message The past year has been an especially important completed, will involve an expenditure of approx- one for Powerco. The only significant capital to imately $500,000. We have been advised by have been contributed to the company, other Wyoming Mineral Corporation that it intends than the initial properties (including certain to proceed with the second phase of the venture of the Pawnee properties described below) con- during the summer of 1976, which will involve a tributed by the promoters, was approximately further minimum expenditure of $750,000. The $479,000 raised in a public offering which closed second phase of the program will be designed in on September 26, 1974. We have carefully con- part to close in the drilling pattern and, at the trolled our own limited capital, and yet more same time, to undertake a pilot project to deter- than $1.5 million has been spent to date mine the feasibility of solution mining. If the by our various joint venture partners in closer-spaced drilling confirms our interpretation exploration drilling on our properties. Significant of the geological information, and if the pilot test uranium mineralization has been delineated as a is successful, Wyoming Mineral Corporation result of these activities. Some of the drilling, intends to initiate a solution mining project on a inevitably, as is noted in other portions of this commercial scale by the summer of 1977. There report, has had unfavorable results; other drilling can be no assurance that this program will be has been inconclusive. Our accomplishments to wholly successful; if it is successful, it should date are directly attributable to our concept of generate significant revenues for Powerco by 1979. the operation of an exploration company and the If Wyoming Mineral Corporation elects to corn- expertise of our staff, which has a cumulative plete all six phases of the Pawnee project, of experience of almost fifty years in uranium which there is no assurance at this date, it will exploration. expend in excess of $7 million on the project for exploration, land acquisitions and maintenance. Our concept for a young company such as Wyoming Mineral Corporation is also our joint Powerco, which has been a public company for ap- venture partner on the Goshen Hole project. proximately a year and a half, is to use the ex- Drilling in that area has resulted in abandonment pertise of our staff for the purpose of identifying of portions of the project area; the remaining areas with potential for uranium mineralization acreage continues to be evaluated. As described which have not previously attracted wide-scale more fully,in the Review of Operations, we have attention. Having identified such an area, we then agreed that Phase 4 be split into two sub-phases, attempt to acquire a substantial land position. the first of which, 4A, calls for a $150,000 expen- Having acquired our land position, we then seek a diture. The available geologic data will then be joint venture partner to furnish the capital for the evaluated prior to reaching a decision as to exploration of the area, with Powerco retaining whether to proceed with Sub-phase 4B, which calls generally a substantial but minority interest. for an additional expenditure of $350,000, making Because of our knowledge of the area and exper- up the $500,000 that was originally planned to be tise in uranium exploration, we also attempt to expended during Phase 4. Total exploration expen- act as operator, for a fee, in the initial stages of diture on the Goshen Hole project to date is exploration. approximately $750,000; at the completion of Sub-phase 4A, expenditures will reach $900,000. We are currently exploring part of our Pawnee We are indeed fortunate in having a compatible area in northeast Colorado under such a joint and aggressive exploration partner on our Pawnee venture arrangement with Wyoming Mineral Cor- and Goshen Hole projects. Wyoming Mineral poration, a wholly-owned subsidiary of Westing- Corporation has a capable staff and it is a pioneer house Electric Corporation. On a part of that in the relatively new technology of solution mining. project, which we refer to as the Grover area, we Our association with Wyoming Mineral has been have encountered significant uranium mineraliza- highly satisfactory, and we look forward to a tion in the first phase of the program which, when continuing good relationship in the years ahead. We recently assembled a new exploration project long-term prospects are dependent upon the and have acquired a substantial land position in discovery of significant ore bodies. an area which we believe has good potential for Primarily as a result of the rapid expansion of the discovery of significant uranium. We will need the assistance of a joint venture participant our exploration programs, Powerco has consider- because anticipated expenditures for the explora- ably increased its staff during the past year, with tion program on these properties could exceed particular emphasis on the geologic area. We the combined expenditures for both the Pawnee now have a field crew consisting of five geologists, and the Goshen Hole projects. We are currently under the direction of Robert L Raforth, project geologist for the Pawnee project. We contemplate seeking joint venture partners for the new project. further enlargement of our field staff during the While there is no assurance that we will be able to find a joint venture participant, the coming year. i climate for doing so is better than it has been The uranium-producing industry remains subject rin the past in view of the recognition of many to conflicting opinions and attitudes. However, 1 (including some utilities) that aggressive explora- the federal government continues to pursue a tion by competent explorationists may be a rela- policy of active advocacy of nuclear power as an tively economical way to obtain uranium supplies. integral part of its overall energy program. We at Powerco believe that energy development in this Financial results for the 1975 fiscal year, ended country can and must be carried out with con- September 30, 1975, show a loss of $75,855, or sideration for our environment and with equal $0.08 per common share. This compares with a concern for our nation's energy requirements. We gain of $95,516, or $0.19 per share, in fiscal 1974. are deeply committed to this dual responsibility, { While it is certainly our goal to establish and and we welcome the challenge it presents us for maintain profitable operations, our immediate the years ahead: to make a positive contribution objective, as a young company with thousands of toward energy self-sufficiency for the United acres of prospective uranium properties, is to States. proceed with the exploration of these properties as rapidly as possible. Since our agreement with We believe that Powerco has accomplished much Wyoming Mineral Corporation on the Pawnee during the few years since its inception, and we project was not finalized until after the close of regard our future as a bright one. We greatly the 1975 fiscal year, we incurred substantial costs appreciate your continued support and encourage- in connection with this project during fiscal 1975, ment of our efforts. whereas no off-setting revenues have yet been FOR THE BOARD OF DIRECTORS: reflected. During the current fiscal year, the Pawnee project -..--W&".14.--K / will contribute modest revenues to the Company 4(,1 in the form of management and consulting fees. While Powerco was able to show earnings in Robert V. Bailey fiscal 1974, those earnings resulted essentially President from non-recurring revenues, as we pointed out in last year's annual report, as well as from an oper- April 5, 1976 ating cost level which reflected only a partial year of active operations. While we attempt to limit • our own financial exposure by earning manage- ment, consulting and operating fees in connection with our joint venture projects, we do not expect to generate substantial revenues until our prop- erties become operational. Accordingly, our f ,1 ','.{. $3, • 'S ,r` ��'iy ow F ' )• *�: ' ' C` "=�,'t- "" • POWER RESOURCES CORPORATION N. ty% 'c 'h f '�' r., ^��4(�� Ji �3e . ��' -`> � '•.^+-• le.`•.. ':..�{]{I • `'x1,,.-tea!' 4. �.,�,�.r-. ; Pa ,,• � .;• S. t •..t.t, •7 �t • • fir,.•- A''nc-t,'] ..‘4: ''.'4'.-,.;11.:i • .. � ;1? :..J'4.•7'' r•!••••••••'11.-:,,,,-- -0..+s wre,_A.1i4171L•in� .'{• • 'i:, a is r g'Gr•- •!i.=i fC:^.". Review of Operations Powerco engages in the acquisition, exploration, Powerco's staff has many years of cumulative development and sale of mineral properties in the experience in uranium geology and in the man- Rocky Mountain region. The Company holds agement of uranium exploration programs, which interests in uranium properties, oil and gas prop- underlies the decision to direct the primary erties, and coal properties, with a primary em- attention of the Company toward uranium. In phasis placed on uranium properties. Mineral addition, the uranium shortage and the resultant interests are held in Colorado, North Dakota, high prices have caused users of uranium to South Dakota and Wyoming, and consist primarily become far more aggressive concerning the of exploratory acreage. A minor portion of the support of exploration programs. Company's holdings are oil-producing properties; Powerco's basic criterion for a major uranium however, Powerco's net revenues from these prospect is that it offer the potential for discovery properties are modest. The remainder of the Corn- of commercially mineable ore reserves of a pany's properties are being held for further ex- minimum of 10 million pounds U3O8. Ideally, a ploration and development. A large portion of prospect would offer the possibility for discovery these are under active exploration and are produc- of a new uranium district with reserves approach- ing revenues from management fees. The oppor- ing 100 million pounds U306—a feat which has tunity for Powerco to earn substantial revenues eluded explorationists for more than two decades. from these properties depends on the future There is no assurance that such prospects can success of its various exploration programs. be identified, nor that prospects identified will The Company's exploratory emphasis during contain significant uranium deposits. fiscal 1975 was directed toward assembling and evaluating uranium exploration prospects. A THE PAWNEE PROJECT lesser portion of staff and management efforts was The Pawnee project encompasses a large area of directed toward oil and gas exploration. At the interest in Weld County, Colorado, within which present time, the Company feels that its greatest Powerco and Aquarius Resources Corporation of growth potential lies in uranium. Casper, Wyoming (an affiliate company, with 47 URANIUM EXPLORATION percent of its outstanding stock held by Robert The strengthening of the market for U3O5 (uranium V. Bailey, president of Powerco) each hold a 50 oxide, commonly known as yellowcake) over the percent interest. The project area contains known past few years is well known. The improvement significant uranium mineralization, and is highly in the market place can be chiefly attributable to regarded by Powerco geologists. price increases in fossil fuels, and greater recog- nition within the utility industry of the shortage Mobil Oil Company Option of uranium to fuel those nuclear power plants In September, 1974, the Company and Aquarius already operating or under construction. Indeed, granted Mobil Oil Company an option to purchase uranium prices have increased in excess of 400 mineral leases relating to approximately 22,000 percent during the last two years, and observers net acres. Powerco and Aquarius have each feel that further price increases are likely. received approximately $57,000 from Mobil, and remain responsible for annual rentals of approx- currently under way and nearing completion, imately $17,000. The option can be exercised by contemplates an expenditure of approximately Mobil any time prior to September 1, 1976, at an $500,000. If the agreement is carried through all exercise price of $10.00 per acre, based on the six phases, the program would be completed by selection of at least 10,000 net acres. If the option December 31, 1980. Wyoming has retained a first is exercised, Powerco will receive one half of the right of refusal to purchase, at market prices, up additional funds to be paid and will retain a 1.5 to three million pounds of Powerco's and Aqua- percent yellowcake royalty. rius's share of yellowcake production from the properties. Powerco-Aquarius-Wyoming Joint Venture In November, 1975, Powerco opened an office in During the past year, Powerco and Aquarius Fort Collins, Colorado, under the supervision of conducted a small scale exploration program on Robert L. Raforth, project geologist. Raforth has that portion of the Pawnee project area not five geologists and a landman working under his subject to the Mobil option.We subsequently leased direction. Two drilling rigs are currently operating substantial additional acreage in the area. In June on the project area, with a third rig utilized to of 1975, Powerco and Aquarius entered into an cement the entire mineralized standstone after agreement in principle with Wyoming Mineral the holes are drilled and probed. This is being Corporation (Wyoming) to organize a joint yen- done in anticipation of a solution mining test which ture for the development of the Pawnee project is expected to be carried out by Wyoming during area. • the summer of 1976. A definitive agreement formalizing the Powerco- In late 1975, an agreement was negotiated with Aquarius-Wyoming joint venture was executed on Getty Oil Company and other members of the November 26, 1975 Under the terms of the agree- Weld County Joint Venture to acquire two proper- ment, Wyoming may earn from 60 to 80 percent ties, one of which was known to contain signifi- interest in the project by spending approximately cant uranium mineralization. These properties are $7 million through a six-phase program. Powerco now part of the Powerco-Aquarius-Wyoming joint will act as exploration operator for the first three venture. Exploration drilling undertaken by the phases, which call for an expenditure of up to Powerco-Aquarius-Wyoming joint venture agree- $2 6 million. ment has confirmed and extended the presence Should all six phases be completed, Powerco will of significant uranium mineralization in the Grover retain a 20 percent working interest in certain portion of the properties acquired from Getty. project properties and a 10 percent working inter- Powerco's interest in these joint venture properties est in the remaining project properties. In the is a 10 percent working interest. These properties event Wyoming elects to develop the properties, are subject to a substantial overriding royalty it is obligated to advance Powerco's and Aqua- retained by Getty. rius's share of the construction costs for the initial uranium milling or solution mining plants, We are presently drilling in the Grover area, where which costs plus accrued interest are to be recov- uranium mineralization occurs at various intervals from about 200 feet to about 265 feet below the ered out of 50 percent of Powerco's and Aqua- surface. The Powerco-Aquarius-Wyoming joint rius's share of profits from production. venture has drilled a number of fences across To date, Powerco and Aquarius have received the projected roll front. In some drill holes we payments totalling $250,000 for management fees. have encountered uranium mineralization, which If all six phases of the joint venture are corn- in the industry would be referred to as "ore grade pleted, and certain other conditions and terms mineralization." The fences are approximately are met, Powerco and Aquarius will share addi- 200 feet apart from each other, and closer-spaced tional management and consulting fees of from drilling is necessary in order to establish proven $250,000 to $1 million. Wyoming has the right reserves. Additional rotary and core drilling is to terminate the agreement after the completion planned, which will be followed by feasibility of any one of the six phases. The initial phase, studies for mining, including solution mining. WER RESOURCES CORPORATION • I 0. • Powerco is operator of this exploration phase of the project on a cost plus 10 percent basis, thus generating some revenues for the Company. As soon as an additional probing unit is available we expect to add two more drilling rigs, in order that geologic evaluation of other parts of the Pawnee project, encompassing approximately 150,000 net acres, can proceed without delay. The solution mining experiment expected to be conducted by the Powerco-Aquarius-Wyoming joint venture in this area holds significant poten- tial for the Company. If this technique is success- fully proven and developed, it could lead to shorter development time, extraction of uranium from materials of lower grade than otherwise possible, and extraction of deeper materials. !t 1c.9•41.fr„1L`},'N.--)C;(s- -. 2f -,..z ',:•5"...-',47,-;;;` ,;I'.fr .1';A Additionally, it would create a lesser environmental s,- ice iFf tt;,; r<,e,-. ,A \1••rC • . '•: :s}L',' 0. .1rti "dE 114.. f.'- '1‘.,:*:ii,'r--a impact, since the conventional mine and mill are `,',•:;a s;• 9x K > x•,' .,I a r ,y ' not required for solution mining operations. ;•-;3 st', S�.4' .: ;ri' {' =' �',• `, ".'", ≥" �I. •q p ,-��c•:,L•rtes a'( � '�s< :�� ' -��: One of the most significant '` t, ,...„_,A, ..t,<,�"�^:;' . of solution :`tiY,, .::. ^ ,_.:4..4,.. .,.1 -,.::f` ��. '�' ,z '2 : mining would be the greatly shortened lead �' ••' w::ti ��•'s"''`t :{- ' ' • '.. �' .!..;r,';1 fi'• ' e d time •..,: ., ,::: . {[ _ required to begin a mining operation and, there- ; �''; J''=`t =f:'R;•1',t il {f. Y. Z; 1,�, fore, the more rapid development of cash flow ;:;',, 'v;;•-a RP'' `' ' which would result therefrom. If solution mining >_,•_ =_ �. ' ' k`:; ;,-:<• '., in this area proves feasible, and if sufficient " ., �` ''`•-=" `'-s ;�, ,:�% uranium is determined to be present to initiate � ' ii ,., ,?• ••• -'=� , fi'y '� a commercial-scale solution mining operation, it is • probable that production of uranium from the • •. ' -^/ • ' i properties would begin within two years. • ,.+'., ` • s. ,�i- t f 4�ay, r _ /{ �. .f , '...f.,. re'r• ' s r j k . • , -" 1. i. ,may.. te{ti •'I, 1# 1 y\ 1• •, ,t f •' '.jib .p� `' ' .. It,' . '''.‘,..t:;.•••••,;7, M 1 isisCSC �� t' , .,' ;I r - ~:•�4;W• - �L;r<s c-._ 1,1,_4 ,. .•. ...;-7.5,?:....„,.., .,St's ','•' �.�••f �� .. � : , 1 URANIUM SOLUTION MINING "To start production, a solution of bicarbonates and hydro- gen peroxide is injected at relatively low pressure into the 7il The conventional method of mining uranium is upper sandstone layer. Because the mineralized zone consists through large open pits or deep shafts. With the of one-third void space and is open to flow, the body of water relative) new technique known as solution mining, underground moves horizontally and the injected leach solu- tion Y q dissolves the uranium, which is pumped out of the pro- there is little to suggest a mining operation. If an duction well. The pumping technique involves creation of an amenable ore deposit is discovered, wells are equilibrium pressure within the entire volume of the well I drilled into a sandstone ore layer. A mild, alkaline field so that water does not leak into it; at the same time ' leachant is pumped through the ore layer and up the dissolved uranium cannot leave the field. Thus, there Is a hydraulic balance and the leaching solution is confined through the production wells. The emerging solu- to the immediate area of the field. Flow rates are about 30 tion goes to an ion exchange column that traps gallons per minute for small testing rigs to 800 gallons per the uranium oxide. The column is flushed period- minute for a production plant of medium size. ically to remove the product which is filtered, dried and packaged as yellowcake (uranium con- "An important feature of the process is the ability to test the leachability in the field with portable testing rigs. These R centrates). The leaching solution is then regen- rigs consist of two 8 x 45-foot trailers on which the bulk of erated and recycled through the ore layer. the equipment is mounted, several 15-foot diameter surge pools, and an office/workroom trailer. The chief environmental advantage is that the The leaching solution pumped from the ground is sandstone remains intact and the only evidence stripped of its uranium by chemical reaction in two ion ex- t of the operation are the wells, an array of pipes, change columns commonly used in the chemical processing 4= valves and receiving tanks. industry. Tests indicate that at least 70 percent of the uranium is recovered. The solution is carried to a precipita- Solution mining also has important economic tion tank where the end product, yellowcake (ammonium advantages. While a substantial investment is diuranate) is separated chemically. The yellowcake is hauled ( off-site to a drying plant before shipment to fuel manufac- required to build a solution mining plant, solution Curers for the remaining processes. ' mining can substantially slash the front-end . Some salient features of the solution mining technique investment for a uranium mine. Further, the lead are: time for a solution mine is considerably less than for a conventional mine-mill operation. • Small acreage is required, only about the size of the ore body, which does not take adjacent land out of farm pro- „ , The impact of solution mining could be substantial. duction or pasturage use. By permitting exploitation of deposits that would • Chemicals used are low level, commonly known carbonates be uneconomic to mine by conventional methods, and bicarbonates; reconstituted leaching solutions are it may significantly enlarge U.S. uranium reserves harmless to humans or livestock—could even be used as . i � � and help stabilize a volatile market. Whereas dilute fertilizer for agriculture. miners now generally bypass ore deposits contain- ing less than 1.6 to 1.8 lbs per ton of uranium • There is virtually no processing waste, therefore no tail- ings disposal area is required. oxide, solution mining, if otherwise feasible, can • The process is environmentally acceptable. At the end of exploit deposits with a concentration of as low work all structures are removed, piping is cut below as 0.8 lbs per ton. ground level and cemented—in one growing season the Wyoming Mineral Corporation, a wholly-owned site returns to its original appearance and use. subsidiary of Westinghouse Electric Corporation, • There is no waste disposal to streams. has developed a solution mining technique which is described in a booklet recently published by • All processing involves only solutions or slurries, thus the company. According to this publication: eliminating the possibility of radio-active solids (dust) to the air." "A typical solution mining test pattern of injection and pro- Please note that while the feasibility of solution duction wells might occupy a piece of ground no larger than one acre. Four-inch wells are sunk from 200 to 400 feet; mining is being pursued at the Pawnee project, in three wells (injection wells) form a triangle with 40-foot which Powerco owns an interest, such feasibility sides. In addition, there Is one centrally located production has not been determined as of this date. well. Three wells around the perimeter of the test pattern serve as monitors for movement of the leaching reagents [see diagram on facing page). H ''i. DWER RESOURCES CORPORATION PUMPING INJECTION PUMPING WELL WELL WELL GROUND LEVEL 1- 1 1 _ I I I 1".S141 7 „,,,,,,,, �fi' r1 ,�`/ L //jjYY tAl .,,,x, ..,,,,,.:.r '� +03164-4441.42,V47. S.- tF,rT1''�i Rrra}L-X7t,'.f i Od ., `, t�4 _, �.. .---- }air t K.t fry r. �, "' WELL SCREEN DIRECTION OF ,.,`r1.+, u'� ;TVA- ., F�3 J.,, +1 4—NO SCREEN SANDSTONE GROUNDWATER FLOW (-` 4rei al .T.., rx.$' zr4`#.a AQUIFER WELL SCREEN URANIUM ORE HALE OR MUOSTONS: �'t CONFItViNG.LAY cf"FF1� VERTICAL CROSS SECTION OF TYPICAL URANIUM DEPOSIT (ROLL FRONT) GOSHEN HOLE PROJECT The first three phases of the program, involving The Goshen Hole project area encompasses a total expenditure of $750,000, have been essen- approximately 900 square miles in eastern Wyo- tially completed. Powerco and Wyoming have ming, scattered within which the Company holds agreed to split Phase 4 into two sub-phases. Sub- approximately 42,440 acres of State of Wyoming phase 4A, on which Wyoming is now embarking, leases, and approximately 58,680 net acres of calls for an expenditure of $150,000. Sub-phase fee uranium leases. These properties were ac- 4B, if proceeded with, calls for a $350,000 expen- quired by the Company based on their potential diture, thus totalling the originally planned for roll front uranium deposits. The target forma- $500,000 expenditure for Phase 4. The purpose tions are the Fox Hills Sandstone and Lance for the delayed expenditure is to permit the Formation, at depths varying from immediately venture an opportunity to better evaluate the data below the surface to approximately 900 feet. developed and to determine whether further exploration is warranted. Exploration Agreement Mineralization has been encountered, but it has In August, 1974, Powerco signed a joint venture been generally thin and difficult to correlate. A agreement with Wyoming Mineral Corporation portion of the acreage, which has already been relating to the exploration of the Goshen Hole explored and found to contain no significant properties. The agreement anticipated a six-phase mineralization, has been dropped; further acreage exploration and land acquisition program ex- found to be in this category will also be tending through 1978. According to the agreement, relinquished. Wyoming may expend up to $2.5 million and It is uncertain, at this time, as to whether the acquire a 75 percent interest in the Goshen Hole project will proceed beyond Sub-phase 4A. Phases properties, in the event all six phases of the 4 through 6 of the joint venture agreement, if exploration program are completed. Wyoming elects to proceed, contemplate the PC 3 RESOURCES CORPORATION • r additional expenditure of $500,000 each. Each phase, or sub-phase, terminates upon expenditure of the amount provided. All six phases of the pro- gram are to be completed by December 31, 1978, unless Wyoming elects to terminate the program at the completion of any earlier phase or sub- phase. Powerco retains an interest of at least 70 percent in the properties until Wyoming has expended a minimum of $1.25 million, and has elected to proceed with the fifth phase. NEW URANIUM PROJECT The Company has undertaken a new project which appears to have potential for both uranium and lignite. We are still acquiring acreage in this new area, and at the present time we have either filed for, have exploration permits for, or have leased approximately 300,000 acres. Most of this acreage includes the rights to both uranium and lignite. -- ��•=.y: �=r:'" ,. %>�'-�•s� i ;�� ` ;ii '.. ..'• 'ti="•r. • '•x;,11�.`+ 1;•�; As lease acquisition in this area has continued, `3� •t�''; - :` ,r. ,_ti;;aJ. � our geological staff has been preparing detailed p -.:, ,- t j' , s• ;�yr; ; �* „ supported .7f� ',t , 16t .,;t•:Y'. 'r'� :i-t.�thiS_�1+' ,' �,' ,•;:.-,,•:), t 1 analyses of the geology of the area, supp _�� .t,; +-. ,�• �,, •' ' maps.We have also conducted limited r' s':� , Y_x= '; ':;, ••� 1* by geologic P g:, ti; gn , in the area. h.�; '� '�'xi ,, . f � � sampling k4; '�""` `s ,•41., r, '. �_,.: 4 percent of 's,•x �'f' -, :. � ; - n .i..:.,,,,• : At the present time, Powerco owns 100 �+� fw�: • *; ti,;,r +Lr; �r '_ :`� the interest in these leases. We have now as- ......-",•44:,:44•.-: .• " ; --‘1•4,-' ... ;d-`. . + ;.,, ; sembled this prospect to the point where we are 7t-.1•"'x�LY•, �, . . f`.?,-; .. partner, or . ,+. i ;;~ ,x- �. •,,,,•,,,, ,..-t'< ,. ,,.• beginning to look for a joint venture ,, - ::' . . , - �':: `C•• ��•.`°'r'.: ` . ''.,1 exploration •d: 4:y;\)'l:; •' iy,: ��r , '. .. •' , 4- partners, to join us in a large scale �,'�•, �� r _ program on the acreage. If we can find such _•--,..,,-•,e1-'.. .,tv . ' t {,j= :`. no as- = .. .�"r .. iS:- rF venture participant, of which there is • • � '`'e� '°'• joint '�'4 �,�w. s' _ �;`=;.��•,r,y.;__.,... Viz,_ �"`';�:, e the exploration program envisioned .` r �'�: ;- ' .: ''• ' •-` '-. --,4'71,...'.'...':,'5,' : suranc ^.�,,�' �•-off'-. F:':;�j✓;: .�• , ;-;�� • ,•••-:�:�_• " would exceed the Pawnee project in scope. '� - ,r .-.•,•.:. •"-�* ••••:•-•••� •�a '�C'. ,,�, ,', .J�;ir: ,.�• •.."�.'�'ty�o<iiy .•�:y;exi:•�:,. :, Powerco does not have sufficient funds to develop �7r*'� . ,,. %:.' "��; •,-� 'i':;h...;;�r �e.• •+ the project without such assistance; until Powerco ra,.. - is able to locate such a participant it will have _ �;;, ,r•-:n t.` ,, - : i ;� .Y substantial annual rental requirements to meet in ;�+� _es a`rF. -'.- •-•;,-a. ' " . order to retain this acreage. <V„S k'4.14;6f., V f�< ./4,:. ' M.,4.,;•T' ,' ".c• r;,,^„" -., I GAS EXPLORATION ,•.;4 ,5-, ' f`l 4.,, 1; .. %• -fs:*,p,*,':•,-t_Log-•.a•n,.;',911-'4.‘ti �,s� .ti•• ; OIL AND :4,41,5-• .,a��4;. .�, In December, 1975, a shallow wildcat test was :*•, 4� ,'.;;'.y, P.. ia-;., t,�:}ert -::<z% > r • drilled on a prospect within an approximate 80,000 '`' ' ` acre block in the southeast Powder River Basin area of Wyoming and South Dakota in which Powerco and Aquarius each hold a 50 percent interest. The well, which was plugged and aban- doned, was drilled with outside participation and I , the cost to the Company was approximately $12,000. Powerco and Aquarius will continue trying to interest other parties in drilling in the area to earn an interest in our acreage. We anticipate conducting a limited amount of geo- physical work on certain prospects within the area to provide supporting data for geologic concepts. The Company's current oil and gas revenues are modest, averaging approximately $3,500 per month from three producing wells. Powerco owns ap- proximately 45,000 net acres of undeveloped oil and gas leases, including the Company's 50 percent interest in 80,000 acres in the southeast Powder River Basin, Wyoming and South Dakota. Although Powerco will continue attempting to interest industry partners and others in drilling exploratory tests on portions of its acreage, it is not expected that this effort will be a major factor in the Company's operations during the coming year. COAL PROSPECTS •Powerco holds State of Colorado leases covering ra; �:;,, ic, .;• 3,200 net acres, but has no present plans to ex- plore these properties for potential coal reserves. The Company places relatively little emphasis tL- on coal. ± '; ,� � .• . ;r� r� v, ,� .r . • Sri:[i C;i A•-o• �. trSl r.{�'L: •Y •', ,h: .- Y•^ •rU••r. S :u,i•�: S id '•t L �'l�� if* /3f- ,13 • s'�;� ;'rte y 4'i''`f., t( • ,,/- .. .;.Y5*'{"yyry1. �.1 ^' ;.,�, �T �•• . •1Sr AJ� (ti?.� y mfr' •l 1G` ' .1V"• • " ' �f;: ly ,'PS ' °�'.�'j l..�yp�:l,. iR" '¢'Lw S; •h�,a',,!•,:•,.:4?. • '; i )[ tip` ,• , 7M ±6r?, r• •' .'' J�'ti�' r l t 'OWER RESOURCES CORPORATION Lines of Business The following table indicates, by line of business, Power Resources Corporation's gross revenues, operating expenses before taxes (tax benefits) on earnings (loss) and earnings (loss) before taxes or tax benefits. Oil and Gas Oil and Gas Uranium Total Production Exploration Exploration Other From January 18, 1972 (inception) to September 30, 1972 Gross Revenues $ 9,101 $ - $ 9,101 $ — $ — Operating expenses before taxes (tax benefits) on earnings (loss) 18,550 - 18,550 — — Earnings (loss) before taxes or (tax benefits) on earnings (loss) $ (9,449) $ — $ (9.449) $ — $ — Year ended September 30, 1973 Gross revenues $ 15,201 $ - $ 15,201 $ — $ — Operating expenses before taxes (tax benefits) on earnings (loss) 35,222 — 8,618 26,604 — Earnings (loss) before taxes or (tax benefits) on earnings (loss) $ (20,021) $ - $ 6,583 $ (26,604) $Year ended September 30, 1974 Gross revenues $ 298,012 $ 44,875 $ 2,500 $ 225,894 $ 24,743(1) Operating expenses before taxes (tax benefits) on earnings (loss) 176,956 17,900 46,094 112,962 — Earnings (loss) before taxes or (tax benefits) on earnings (loss) $ 121,056 $ 26,975 $(43,594) $ 112,932 $ 24,743 Year ended September 30, 1975 Gross revenues $ 110,597 $ 43,149 $ 2,500 $ 41,971 $ 22,977(2) Operating expenses before taxes (tax benefits) on earnings (loss) 211,992 10,178 34,733 167,081 — Earnings (loss) before taxes or (tax benefits) on earnings (loss) $(101,395) $ 32,971 $(32,233) $(125,110) $ 22,977 (1) Sale of coal property (2) Includes $20,630 of interest earned Expenses not directly attributable to a specific line of business are allocated according to management's estimate of the percentage of total Company effort devoted to each line of business. Depletion on oil and gas properties is allocated from the full costing pool to the various lines of business on the basis of the cost of oil and gas properties In each line of business. ARIKAREE FORMATION _ ---_ BRULE FORMATION Al ' _2__. — 0 ,�. "' o o. .a . o • o a \\\ a : ' CHADRON FORMATION •\•\ \\\�\\\\ \•:\ \\�\\ \ l prole�,fte.d. \\\ \�\\ •'...•-••::::•‘\.....›,,..,.. °'er\�HQ\� P erosion surfoce \\\ \ ----......,:-....:-...,:.< �':� \ ,S \\ \\\\ :.•• \\ \ • ..,.' \\ \9 n,te \\\ A \\ \\\\ \\\ .. ........ \\\\\\\\\ \ \\\\ (TfRf ! \\\ \\\\ • �• \��\ re° / er°�s " \\\\\ \ \\\\\\ \\\\\ \\�� \9n"le-- \ \ \\\\�\\\\ •\ '• • \\\\\�\\\\ \�\\ ��`\\� \\\\\ •\ \ \ \ \\\,```��= - III Uranium Roll Front ,d The schematic diagram (above) is an idealized geologic I cross-section showing the most widely accepted interpreta- tion of how some major uranium roll front deposits were t i . ARROW INDICATES MOVEMENT formed. The following brief description of an idealized roll OF URANIFEROUS GROUND WATER front should be helpful in understanding some of the text of this report SANDSTONE Roll fronts (or geochemical interfaces, as they are some- times called) occur at the distal and lateral margins of t "alteration complexes" developed in large bodies of per- meable sandstone A roll front is the interface between 'f - SHALE altered (oxidized) and unaltered (unoxidized) sandstone, and • this interface is usually a good place to look for uranium deposits. Uranium is soluble under oxidizing conditions and ALTERED SANDSTONE can be readily transported in oxidizing ground water, which has neutral or slightly alkaline chemical properties common In in nature. Uranium is precipitated from these ground waters ROLL FRONT when they encounter a reducing environment. Most of the sandstones which host uranium deposits of eco- nomic value were in a reduced state before the mineralizing (and oxidizing ground waters invaded and modified or t =� i " POWER RESOURCES CORPORATION • BRULE FORMATION CHADRON FORMATION (Iron erosion surf �_ ,-,--/- — •.• 1' . •_ ——_ -� � .� -ice • \`• =� ..... _-- - `�� •� VNgLIER p S -- -—_ND• �— B -----Orr n �� --..,_, � ---- ---- ^� a Li9n�l�~�� ------ — ` � `� �` ��` __ •_ -- _ter •�— .�_ _1�` r '. ;�,, --rte altered them The unaltered sandstones usually contain sig- in solution, and in other cases the hosts appear to have nificant amounts of finely disseminated black organic mate- lacked sufficient reductants vials, frequently called humic substances or humates. Labors- The grade and volume of uranium deposits vary along indi- tory and field studies have shown that humates are very ef- vidual roll fronts as well as on different roll fronts Roll fronts fective in reducing and precipitating uranium, even from are usually sinuous when viewed from above, but they can dilute solutions. Theory holds, however, that as the oxidizing be defiled for thousands of feet by drilling. The mineraliza- solutions continued to invade the humate-bearing sandstones, tion is usually quite narrow along the front, but in places it the volume of altered (oxidized) sandstone grew larger at the becomes wide and thick enough to mine where a front is expense of unaltered sandstone in the direction of ground favorably developed. water movement. As this process continued to take place during thousands (perhaps hundreds of thousands) of years, Other factors which appear to control uranium mineraliza- the amount of uranium and other metals, such as vanadium, lion in addition to the roll fronts themselves are sandstone molybdenum and selenium, which concentrated at the geo- quality, orientation of segments of roll fronts relative chemical interfaces, grew. to paleohydrodynamic gradients, and accessibility of the roll front (or segment of a roll front) to relatively enriched It is important that the oxidizing ground waters contained uranium-bearing solut ons. uranium in sufficient amounts to develop significant deposits, The uranium exploration programs in which the Company and that the host sandstones had effective reducing agents in is involved attempt to locate roll fronts and, in the event sufficient quantities to concentrate deposits of mineable fronts are delineated, to evaluate them by further drilling. grades Some roll fronts along the margins of some alteration The Company's geologic staff has expertise in designing and complexes have been evaluated by exploration companies executing drilling programs to efficiently evaluate.roll fronts and found to contain weak uranium mineralization with no utilizing recognition of geological controls on mineralization. recoverable reserves. In some of these cases, it appears that Mineable deposits, if they exist, can be found only through the ground waters simply did not contain enough uranium an extensive drilling program. Copy of resolution granting SUP time extension RFC — — =3©e (pk postig©) ` SCWT 0 - =T` POSTMARK OR DATE I Wyoming Mineral Jorpomatien SWF' „ _ '.2 OC 3900 S. Wadsworth Boulevard P0. S' 'l '.,J [II' COOL 8/24/77 (5'. LaT-ewood, Colorado 80235 C r 'lIt,''' `:Jd4CLS IC!I RI"JIYIO ai ILl3 'Ty,- N i, .. 3 b) ,'3 1 1LI L_O i2_,.CrCJ . . 15� f tl o;ii,ory to:2-,._3 ^n y • G50. r'Y ,. / 7 I i 9 1,f' tC f:L 1--- I LC-Ivc C 33 S. y "ntn orlivory to i('1rP o e ov 05C Q ' ,• , ''V ;—,-.1.,,: F;i rzc'Iirc.'l) I_ Ph — — ! oo oPrlor lido) Apr, GPO 1974 0-551-434 C — N rd in a ! t� j't.: • L.') J— r o ., o > cn : o= 'mod ''r Z r n -, 3 �� o z 2. • mo " �'\} �' `l l�n O I '1 .L V- ,, r-I I a b - - — r co �l ' �� c - , O rnl 3 W 3 • 1 .+� ' - - " o N N O� of �I H,.., k '"�u 'D C .� N rC, U . R do _ l j--' i e g 0 a -ri co o w �' W• '°J , r - E �Tv m 0 3 - - - 3 0 ��• 0 0 =0 -o .'.,i - -H a o4< P. o o 3 f 3 w o o 0) r,, L :' , (II w ° n x w O `� c_ it no O ra x v a ✓'. �_ �y 61 col�_ - �, - j a cn ' 2 a- ell Hl I F- u re ? o a w E-'1' ❑ J d Q i i '.. • .--, N I CO ,, � _ N : �'��...w�.� -' PS Form 3811, Jan 1975 RETURN RECEIPT, RE; 0TF R•-D, INSU ?ED At ? CERTI= T MAIL Hello