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LOG OF BORING BORING
NO.
CLIENT: Harlen Schultz DRILL RIG: Acker AD-II Pit-4
PROJECT NO: SCHU-9F11-A3-709 ROD SIZE: AW
PROJECT LOCATION: N.E. Corner W.C.R 1&46 METHOD OF DRILLING: N/A
DRILLER: N/A
DATE DRILLED: ENGINEER/GEOLOGIST: LAM
ELEVATION: natural grade WEATHER:
-J
N
= JO . w DESCRIPTION, cc w o r REMARKS
w
Q �00
<":\Z, Silty clay,stiff,dry.dk. Bm.
silty sandy clay,stiff,damp-moist,
-5- brn.
sandier No water encountered
-10 •
-
-15-
_20 •
-45-
-30-
-35-
•
-40-
SLandmarh
LABORATORIES, LTD.
LOG OF BORING BORING
NO.
CLIENT: Harlan Schultz DRILL RIG: Acker AD-II Pit-5
PROJECT NO: SCHU-9F1l-A3.709 ROD SIZE: AW
PROJECT LOCATION: N.E.Corner W.C,R 1&46 METHOD OF DRILLING: N/A
DRILLER: N/A
DATE DRILLED: ENGINEER/GEOLOGIST: LAM
ELEVATION: natural grade WEATHER:
_J •w DESCRIPTION cc w w
= REMARKS
w F,,
t CO a a < o >-a
o cc o 0) co o O o
_Silt/clay,stiff,damp-dry.dk. Brn.
\ silty sandy clay, med.stiff, moist,
-5- brn.
sandier No water encountered
-10-
-15-
-20-
-25-
-30-
-35-
-40-
tLandmarh
LABORATORIES, LTD.
LANDMARK ENGINEERING LTD.
3521 West Eisenhower Blvd.,Loveland, CO 80537 Ph: (970) 667-6286 • Denver Metro(303)629-7124 • Fax: (970)667-6298 • E-Mail: lndnuk@rmi.net
Date of Test: December 10 1999
Date Holes Presoaked: December 9,1999
Project: Harlen Schultz
Location: N.E.Corner W.C.R.1&46
PERCOLATION •TEST RESULTS •
Percolation Hole 4-A 4-B 5-A 5-B
"t0.
Depth of Hole(In.) 30" 30" 30" 30"
`
.Time of Reading Reading Change Reading Change Reading Change Reading Change Reading Change Reading Change Reading Change Reading Change Reading Change
(In.) (In.) (tn.) (In.) (In.) (In.) (In.) On.) (In.) (In.) (in.) (In.) (In.) (In.) (In.) (In.) (In.) (In.)
8:15 191/2 1/2/2 17 7/7/ 211/4 7/, 19-1/4 /7/ 19-7/8 J// 20-1/8 /7/ r /f1_ /7/ 1/7/
8:45 19-3/4 1/4 17-18 1/8 21-12 114 19-5n !! 3/8
VA/
J
9:15 20 1/4 17-1/4 1/8 21-5/8 1/8 20 3/8
9:45 20-1/8 1/8 17-5/16 1/16 21-3/4 1/8 20-I/8 1/8
L .
10:15 20-1/4 1/8 17-3/8 1/16 21-15/16 3/16 20-5/16 3/16
10:45 20-3/8 1/8 17-7/16 1/16 22-1/8 3/16 20.12 3/16
Percolation Rate At 240 mpi 480 mpi 160 mpi 160 mpi mpi mpi mpi mpi mpi
d of Test t t 1 i
Average Percolation Rate: 360 Minutes Per Inch 160 Minutes Per Inch
LANDMARK ENGINEERING LTD. Client: Harlen Schultz Table No.
Project No. SCHU-9F1I-709A3 2
LANDMARK ENGINEERING LTD.
3521 West Eisenhower Blvd.,Loveland,CO 80537 Ph: (970)667-6286 • Denver Metro(303)629-7124 • Fax: (970) 667-6298 • E-Mail: lndmrk@rmi.net
Date of Test: December 10 1999
Date Holes Presoaked: December 9, 1999
Project: Harlen Schultz
Location: N.E.Corner W.C.R.1 &46
PERCOLATION TEST RESULTS
Percolation Hole 1-A 1-B 2-A 2-B 3-A 3-B
Depth of Hole(In.) 30" 30" 30" 30" 30" 30"
Time of Reading Reading Change Reading Change Reading Change Reading Change Reading Change Reading Change Reading Change Reading Change Reading Change
(In.) (In.) (In.) (In.) (in.) (In.) (In.) (In.)(I (In.) (In.) (In.) / /On.) On.) (In.) (In.) (In.) (In.) (In.)
8:15 20-3/8 //� 19-12 /// 20-3/8 //I !!!21-3/4 1/� 19-7/8 lit/ 20-18 I// //j /7/ f/Zf
8:45 20-3/4 1 3/8 19-7/8 3/8 21-1/4 JJJ 7/8 22-1/2 3/4 20-1/4 3/8 20-1/2 fff 3/8
9:15 21 1/4 20-1/8 1/4 21-3/4 1/2 23 1/2 20-1/2 1/4 20-3/4 1/4
9:45 21.1/4 1/4 20-3/8 1/4 22-3/8 5/8 23-1/2 1/2 20-7/8 3/8 21 1/4
-
10:15 21-1/2 1/4 20-5/8 114 22-7/8 1/2 24 112 21-3/16 5/16 21-1/4 1/4
10:45 21-3/4 1/4 20-7/8 114 23-3/8 1/2 24-3/8 3/8 21.12 5/16 21-1/2 1/4
Percolation Rate At 120 mpi 120 mpi 60 mpi 80 mpi 96 mpi 120 mpi mpi mpi mpi
i of Test
Average Percolation Rate: 120 Minutes Per Inch 70 Minutes Per Inch 108 Minutes Per Inch
LANDMARK ENGINEERING LTD. Client: Harlen Schultz Table No.
Project No. SCHU-9F1I-709A3 1
Cn
Ifv , LARIMRR C0UN 1 ie
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t,
WELD COUNTY, COLORADO, SOUTHERN PART 29
have good survival arc Rocky Mountain juniper, eastern The potential native vegetation is dominated by
redcedar, ponderosa pine, Siberian elm, Russian-olive, and western wheatgrass and blue grama. 13ufdalograss is also
hackberry. The shrubs best suited are skunkbush sumac, present. Potential production ranges from 1,000 pounds
lilac, Siberian peashrub, and American plum. per acre in favorable years to 600 pounds in unfavorable
Wildlife is an important secondary use of this soil. The years. As range condition deteriorates, a blue grama-buf
cropland areas provide favorable habitat for ring-necked falograss sod forms. Undesirable weeds and annuals in-
pheasant and mourning dove. Many nongame species can vade the site as range condition becomes poorer.
be attracted by establishing areas for nesting and escape Management of vegetation of this soil should be based
cover. For pheasants, undisturbed nesting cover is essen- on taking half and leaving half of the total annual produc-
' tial and should be included in plans for habitat develop- tion. Range pitting can help in reducing runoff. Seeding is
ment, especially in areas of intensive agriculture. desirable if the range is in
This soil has fair to % poor condition. Western
poor potential for• urban develop- wheatgrass, blue grama, sideoats grama, buffalograss, pu-
ment. It has moderate to high shrink swell, low strength, bescent wheatgrass, and crested wheatgrass are suitable
and moderately slow permeability. These features create for seeding. The grass selected should meet the seasonal
problems in dwelling and road construction. Those areas requirements of livestock. It can be seeded into a clean,
that have loam or sandy loam in the lower part of the firm sorghum stubble, or it can be drilled into a firm
substratum are suitable for septic tank absorption fields prepared seedbed. Seeding early in spring has proven
and foundations. Some areas of this soil are adjacent to most successful.
streams and are subject to occasional flooding. The poten- Windbreaks and environmental plantings are generally
tial is fair for such recreational development as camp and well suited to this soil. Cultivation to control competing
picnic areas and playgrounds. Capability class I irrigated. vegetation should be continued for as many years as
- 42—Nunn clay loam, 1 to 3 percent slopes. This is a possible following planting. Trees that are best suited and
deep, well drained soil on terraces and smooth plains at have good survival are Rocky Mountain juniper, eastern
elevations of 4,550 to 5,150 feet. It formed in mixed allu- redcedar, ponderosa pine, Siberian elm, Russian-olive, and
vium and eolian deposits. Included in mapping are small, hackberry. The shrubs best suited are skunkbush sumac,
long and narrow areas of sand and gravel deposits and lilac, Siberian peashrub, and American plum.
small areas of soils that are subject to occasional flooding. Wildlife is an important secondary use of this soil. The
Some leveled areas are also included. cropland areas provide favorable habitat for ring-necked
Typically the surface layer of this Nunn soil is grayish pheasant and mourning dove. Many nongame species can
Srown clay loam aobut 9 inches thick. The subsoil is light be attracted by establishing areas for nesting and escape
brownish gray clay loam about 14 inches thick. The upper cover. For pheasants, undisturbed nesting cover is essen-
part of the substratum is light brownish gray clay loam. tial and should be included in plans for habitat develop-
.. The lower part to a depth of 60 inches is brown sandy ment, especially in areas of intensive agriculture. Range-
loam. land wildlife, for example, the pronghorn antelope, can be
Permeability is moderately slow. Available water attracted by developing livestock watering facilities,
capacity is high. The effective rooting depth is 60 inches managing livestock grazing, and reseeding where needed.
or more. Surface runoff is medium, and the erosion This soil has fair to poor potential for urban develop-
hazard is low. ment. It has moderate to high shrink swell, low strength,
In irrigated areas this soil is suited to all crops com- and moderately slow permeability. These features create
monly grown in the area, including corn, sugar beets, problems in dwelling and road construction. Those areas
beans, alfalfa, small grain, potatoes, and onions. An exam- that have loam or sandy loam in the lower part of the
pie of a suitable cropping system is 3 to 4 years of alfalfa substratum are suitable for septic tank absorption fields
followed by corn, corn for silage, sugar beets, small grain, and foundations. Some areas of this soil are adjacent to
or beans. Generally such characteristics as the high clay streams and are subject to occasional flooding. The poten-
content or the rapidly permeable substratum slightly tial is fair for such recreational development as camp and
restrict some crops. picnic areas and playgrounds. Capability subclass Ile ir-
All methods of irrigation are suitable, but furrow ir- rigated, IIIc nonirrigated; Clayey Plains range site.
rigation is the most common. Proper irrigation water 43—Nunn loamy sand, 0 to 1 percent slopes. This is a
management is essential. Barnyard manure and commer- deep, well drained soil on terraces at elevations of 4,700
cial fertilizer are needed for top yields. to 4,900 feet. It formed in alluvium along Box Elder
In nonirrigated areas most of the acreage is in small Creek. Included in mapping are small areas of soils that
grain and it is summer fallowed in alternate years. have a loamy subsoil and small areas of soils that are sub-
Winter wheat is the principal crop. The predicted average ject to rare flooding.
yield is 33 bushels per acre. If the crop is winterkilled, Typically the surface layer of this Nunn soil is brown
spring wheat can be seeded. Generally precipitation is too loamy sand overburden about 9 inches thick. The subsoil
low for beneficial use of fertilizer, is dark to very dark grayish brown clay loam about 21
Stubble mulch farming, striperopping, and minimum til- inches thick. The substratum to a depth of 60 inches is
ige are needed to control soil blowing and water erosion. loamy very fine sand, loamy sand, or sand.
94 SOIL SURVEY
TABLE 4.--ACREAGE AND PROPORTIONATE EXTENT OF THE SOILS
Map Soil name
symbol Acres ;Percent '
1 Altvan loam, 0 to 1 percent slopes 19,740 1.7 7'2 Altvan loam, 1 to 3 percent slopes 7F
3 Aquolls and Aquents, gravelly substratum 2,140 3.2 7_
4 Aquolls and Aquepts, flooded 34,030 3.0 71
5 Ascalon sandy loam, 1 to 22,530 2.0
3 percent slopes 12,280 1 t 7_
6 Ascalon sandy loam, 3 to 5 percent slopes 7E
7 Ascalon sandy loam, 5 to 9 percent slopes 8,452 0.7 7,.
8 Ascalon loam, 0 to 1 640 I 0.1 7f
percent slopes
9 Ascalon loam, 1 to 3 percent slopes 4,290 0.1 7,
10 Bankard sandy loam, 0 to 3 percent slopes 960 1 .I 9f
11 Bresser sandy loam, 0 to 1 19,980 1.7 6.
percent slopes 1,620 0.1 12 Bresser sandy loam, 1 to 3 percent slopes g7.
13 Cascajo gravelly sandy loam, 5 to 20 percent slopes 1 ,220 0.7 8.
14 Colby loam, 0 to 1 percent slopes 1,830 0.2
15 Colby loam, 1 to 3 percent slopes 7,748 0.7
16 Colby loam, 3 to 5 percent slopes 19,310 :.7
17 Colby loam, 5 to 9 percent slopes 7,220
18 Colby-Adena boats, 3 to 9 percent slopes 3,930 1.3 -
19 Colombo clay loam, 0 to 1 21 ,060 1.8
20 Colombo clay loam, 1 percent slopes 9 110 ' 9
to 3 percent slopes 4,120 ;.
21 Dacono clay loam, 0 to 1 percent slopes 10,960 1.0 22 Dacono clay loam, 1 to 3 percent slopes 1 ,300 0.!
23 Fort Collins loam, 0 to 7 percent slopes
24 Fort Collins loam, 1 to 3 percent slopes 880 001
.?
25 Haverson loam, 0 to 1 percent slopes 2,540 7.2
26 Haverson loam, 1 to 3 percent slopes 10,890 C.3
27 Heldt silty clay, 1 to 3 percent slopes 9,290 0.3
28 Heldt silty clay, 3 to 5 percent slopes 2,170 ; 0,2
140
29 Julesburg sandy loam, 0 to 1 percent slopes
30 Julesburg sandy loam, 1 to 3 percent slopes 6,920 2.6
31 Kim loam, 0 to 1 percent slopes 2,040
32 Kim loam, 1 to 3 percent slopes 4,150 '..0
--13 Kim loam, 3 to 5 percent slopes 40,960 1.6
4 Kim loam, 5 to 9 percent slopes 7,090 0.5
S5 Loup-Boel loamy sands, 0 to 3 percent slopes 6,250
36 Midway-Shingle cot lex, 5 to 20 11,050 '..0
complex, percent slopes 1,630 i 1
37 Nelson fine sandy loam, 0 to 3 percent slopes 3,820 0.3
38 Nelson fine sandy loam, 3 to 9 percent slopes 6,210 0 5
39 Nunn loam, 0 to 1 percent slopes 7,74 r 40 Nunn loam, 1 to 3 percent slopes0
41 Nunn clay loam, 0 to 1 percent slopes 16,520 1.4
42 Nunn clay loam, 1 to 3 percent slopes 20,900
43 Nunn loamy sand, 0 to 1 percent slopes 18,940 1.6
44 Olney loamy sand, 1 to 2,320 0.2
3 percent slopes 19,950 1 .7
45 Olney loamy sand, 3 to 5 percent slopes
46 Olney fine sandy loam, 0 to 1 3,330 percent slopes 8,730
47 Olney fine sandy loam, 1 to 3 percent slopes
48 Olney fine sandy loam, 58,300 5.1
49 Osgood sand, 0 o 3 to 5 percent slopes 15,040 ;.3 g 3 percent slopes 38, 3.3 50 Otero sandy loam, 0 to 1 percent slopes 4, 190
) v
51 Otero sandy loam, 1 to 3 percent slopes 30,970 2.7
52 Otero sandy loam, 3 to 5 percent slopes 13,440 ; 2 53 Otero sandy loam, 5 to 9 percent slopes 6,710 I '7 5
55 Paoli loam, 1 to 3 percent slopes
56 Renohill clay loam, 0 to 3 250
percent slopes 4,020 9.9
57 Renohill clay loam, 3 to 9 percent slopes 4,860
58 Shingle loam, 1 to 3 percent slopes 1,540
59 Shingle loam, 3 to 9 percent slopes 1,160 r., I
60 Shingle-Renohill complex, 3 to 9 percent slopes 1 ,090
61 Tassel fine sandy loam, 5 to 20 percent slopes
62 Terry fine sandy loam, 0 to 3 percent slopes 6,140 0.5
63 Terry fine sandy loam, 3 to 9 percent slopes 1 ,990
8
64 Thedalund loam, 1 to 3 percent slopes 6,800 ;
65 Thedalund loam, 3 to 9 percent slopes 7,580
66 Ulm clay loam, 0 to 3 percent slopes 3,600 ; 0.;
67 Ulm clay loam, to 5 4,610 - .
3 percent slopes 2,310
; 0.>
68 Ustic Torriorthents, moderately steep
69 Valent sand, 0 to 3 percent slopes 2,900
.70 Valent sand , 3 to 9 percent slopes 65,950 5
174,010 15.0
See footnote at end of table.
e
1
WELD COUNTY, COLORADO, SOUTHERN PART 97
TABLE 5.--YIELDS PER ACRE OF IRRIGATED CROPS--Continued
Soil name and i
t
j map symbol Alfalfa hay Sugar beets Corn Corn silage Beans,
3 H dry pinto Onions Potatoes
Ton Ton
Bu Ton Lb Sack Cwt
24 5.5 23 160
i Fort Collins 33 2400 525 ___
25
i Haverson 5.5 23 160 33 2400 ___
I 26
Haverson 5'5 20 150 30 2400
__ ___
27 4.5 20
Veldt --- 25 ___ ___
• 28
4.0 ___
--- 25 ___
!leldt
20
J ul es burg 5.5 23 180 35 2400
525 350
30
5.5 23 160 ulesburq 33 2400 525 325
J
31
Kim 5.5 24 180 30 2700 550
350
32 5.5 23 160 Kim30 2400 525 325
33
Kim 4.0 20 140 25 --_ ___
34
Kim 3.0 --- 80 20 ___
pup 2.5 --- --- 25 1200 ___ ___
35
Midway
---
Nelson 4.0 21 120 30 2400 ___ ___
38
Nelson 3.0 --- 70 25
30
Nunn 5.5 24 180 35 2700 550
350
40-
Nunn 5.5 23 160 33 2400
525 325
41 5.5
Munn 24 180 35 2700 550 350
42 5.5 23 160
Nunn 33 . 2400 525 325
43
Nunn 5.0 20 150 30 2000 ___
it 5.0 20 110 - -
Olney 30 2400 525 325
4,
Olney 3.5 --- 80 20
-
116
Olney 5.5 24 180 35 2700 550
350
'lee footnote nt end of table.
•
WELD COUNTY, COLORADO, SOUTHERN PART 105
•
TABLE 7.--SANITARY FACILITIES--Continued
r
I ;oil name and Septic tank Sewage lagoon ' Trench Area Daily cover
map symbol absorption areas sanitary sanitary for landfill
fields landfill landfill
21 , 22 Severe: Severe: Severe: Slight Fair:
Dacono peres slowly. seepage. seepage. too clayey.
23 Moderate: Moderate: Slight Slight Good.
Fort Collins percs slowly. seepage.
24 Moderate: Moderate: Slight Slight Good.
Fort Collins percs slowly. seepage,
slope.
25, 26 Severe: Severe: Severe: Severe: Good.
Ilaverson floods. floods. floods. floods.
27, 28 Severe: Moderate: Severe: Slight Poor:
Ileldt percs slowly. slope. too clayey. too clayey.
29, 30 Slight Severe: Severe: Severe: Good.
Julesburg seepage. seepage. seepage.
31 Slight Moderate: Slight Slight Good.
Kim seepage.
32, 33 Slight Moderate: Slight Slight Good.
Kim seepage,
slope.
3'I Slight Severe: Slight Slight Good.
Kim slope.
35*:
Loup Severe: Severe: Severe: Severe: Poor:
wetness, wetness, wetness, wetness, ; wetness.
floods. seepage, floods, floods,
floods. seepage. seepage.
noel Severe: Severe: Severe: ;Severe: ;Poor:
wetness, wetness, wetness, ; wetness, ; too sandy.
floods. seepage, floods, ; floods.
floods. seepage.
36*:
Midway Severe: Severe: Severe: ;Moderate: ;Poor:
percs slowly, depth to rock, depth to rock, ; slope. I too clayey,
depth to rock. slope. too clayey. ; thin layer.
Shingle Severe: Severe: Severe: ;Moderate: ;Severe:
depth to rock. slope, depth to rock. ; slope. I thin layer.
depth to rock.
37, 38 Severe: Severe: Severe: ;Severe: ;Fair:
lton ,_ th to rook. depth to rock, depth to rock, 1 seepage. thin layer.
Sc.'" _' o_e. a.c. ,xtgr._ Slight----------- Fair:
- 1 percs slowly. excess humus. 1 too clayey.
'lo ;Severe: Moderate: ;Slight Slight Fair:
Nunn ; percs slowly. excess humus, I too clayey.
slope.
'Ti ;Severe: Moderate: ;Slight Slight Fair:
Munn 1 percs slowly. excess humus. too clayey.
42 ;Severe: Moderate: ;Slight Slight Fair:
Nunn ; percs slowly. excess humus,
too clayey.
slope.
See footnote at end of table.
WELD COUNTY, COLORADO, SOUTHERN PART
109
TABLE 8.--CONSTRUCTION MATERIALS--Continued
Soil name and
Roadfill Santl
map symbol Gravel Topsoil
r___ ---r _-
29, 30 Fair: Poor:
Julesburg low strength, excess Unsuited Good.
fines.
frost action.
31 , 32, 33, 34 Fair: Unsuited
Kim low strength. Unsuited Good,
35*:
Loup Poor: Fair:
wetness. Unsuited: Poor:
excess fines. excess fines. wetness.
Pool Fair: Fair:
wetness. Unsuited Fair:
excess fines. thin layer.
36*:
Midway Poor: Unsuited
Unsuited Poor:
shrink-swell,
low strength, too clayey.
thin layer.
Shingle Poor: Unsuited
Unsuited Poor:
thin layer.
area reclaim.
37, 38 Poor: Unsuited Unsuited Nelson thin layer. Good.
39, 40 Poor: Unsuited
Nunn shrink-swell, Unsuited Fair:
low strength. thin layer.
"'. 42 Poor:
Unsuited
nn shrink-swell, Unsuited Fair:
low strength. thin layer,
too clayey.
43 Poor:
Nunn Unsuited Unsuited
shrink-swell, Poor:
low strength, too sandy.
44, 45 Fair: Poor:
Olney low strength. excess fines, Unsuited Fair:
too sandy,
thin layer.
46, 47, 48 Fair: Poor:
Olney low strength. excess fines.
Unsuited Good,
49 Good
Osgood c ex P Unsuited Poor:
excess fines.
too sandy.
50, 51, 52, 53 Good Poor: Unsuited
Otero Good.
excess fines.
54, 55 Fair:
Paoli Unsuited Unsuited
low strength,
Good.
r frost action.
� 56, 57 Poor: Unsuited
Rcnohill low strength, Unsuited Poor:
thin layer, thin layer.
58, 59 Poor: Unsuited Unsuited Shingle thin layer. Poor:
area reclaim.
60*:
Shingle Poor: Unsuited Unsuited
thin layer. Poor:
area reclaim.
See footnote at end of table.
i
118 SOIL SURVEY
TABLE 10.--RECREATIONAL DEVELOPMENT--Continued
Soil name and Camp areas Picnic areas
map symbol Playgrounds Paths and trails
I
38
Slight
Nelson Slight Severe:
slope. Slight.
39 Moderate: Slight Moderate: Slight.
Nunn peres slowly.
percs slowly.
40 Moderate: Slight Moderate:
Nunn percs slowly. Slight.
peres slowly,
slope.
41 Moderate: Moderate:
NunnModerate: Moderate:
percs slowly. too clayey. percs slowly. too clayey.
42 Moderate: Moderate: Moderate:
Moderate:Nunn peres slowly. too clayey. percs slowly, too clayey.
slope:
43 Moderate: Moderate: Moderate:Nunn percs slowly. too sandy. Mtoorsan:
percs slowly, too sandy.
44, 45 Moderate: Moderate:
Olney too sand Moderate: Moderate:
dusty. Y, too dustyandy, too slope, dusty.
dtoo ustyandy,
dusty.
45 Moderate: Moderate: Moderate:
Olney dust Moderate:
Y• dusty. dusty. - dusty.
47, 48 Moderate: Moderate: Moderate:Olney dust Moderate:
Y• dusty. dusty, dusty.
slope.
49 Moderate: Moderate:
Osgood too sand Stoors: Moderate:
Y• too sandy. too sandy, too sandy.
50 Slight
Otero Slight Slight Slight.
51 , 52 Slight Slight Moderate:Otero Slight.
slope.
53 Slight Slight Severe:Otero Slight.
slope.
54 Slight
Paoli Slight Slight Slight.
55 Slight
Paoli Slight Mope.sl Slight.
55 ;Moderate: Moderate: Moderate:
Renohill ; peres slowly, too cla e Moderate:
too clayey. y y' too clayey, too clayey.
peres slowly.
57 ;Moderate: Moderate: Severe:
Renohill ; peres slowly, too cla Mtoorcla:
a y
; too clayey. y' slope, too clayey.
58, 59 ;Moderate: Moderate: Severe:
Shingle Moderate:
g ; too clayey, too clayey. depth to rock. too clayey.
60*:
Shingle ;Moderate: ;Moderate:
too cla e Sslope, Moderate:
Y Y� � too clayey. slope, too clayey.
depth to rock.
• See footnote at end of table.
122 SOIL SURVEY
TABLE 11 .--WILDLIFE HABITAT POTENTIALS--Continued
Potential for habitat elements —r_ Potential as habitat for---
Soil name and ----T—
r Wild map symbol symbol Grain Grasses herba- Shrubs Wetland Shallow Openland Wetland Rangeland
and seed and ceous plants water wildlife wildlife wildlife
crops** legumes plants areas
31 , 32 Good Good Fair Fair Poor Very poor Good Very poor Fair .
Kim
33, 34 Fair Good Fair Fair Poor Very poor Fair Very y poor Fair.
35*:
Loup Poor Fair Good Fair Good Good Fair Good Fair.
Boel Poor Fair Good Fair Good Good Fair Good Fair.
36*:
Midway Poor Fair Fair Fair Very poor Very
poor Fair Very poor Fair.
Shingle Poor Fair Fair Fair Very poor Very poor Fair Very
poor Fair.
37, 38 Fair Good Fair Fair Poor Very poor Fair Ver
Nelson y poor Fair.
39, 40, 41 , 42, 43- Good Good Fair Fair Poor Very poor Good Ver
Nunn y poor Fair.
44, 45 Fair Good Fair Fair Poor Very poor Fair Very poor Fair.
46, 47 Good Good Fair Fair Poor Very poor Good Very poor Fair.
48 Fair Good Fair Fair Very poor Very poor Fair Very poor Fair.
49 Poor Fair Fair Fair Very poor Very poor Fair Very poor Fair.
50 Good Good Fair Fair Poor Very poor Good Very poor Fair.
51 , 52, 53 Fair Good Fair Fair Very poor Very poor Fair Very poor Fair.
54, 55 Good Good Fair Fair Poor Very poor Good Very
poor Fair.
56, 57 Fair Good Fair Fair Poor Very poor Fair Very
poor Fair.
58, 59 Poor Poor Fair Fair Poor Very poor Poor Very y poor Fair.
60*;
Shingle Poor Poor Fair Fair Poor Very
poor,Poor Very poor Fair.
Renohill Fair Good Fair Fair Poor Very
poor:Fair Very poor Fair.
61 Poor Poor Poor Poor Very poor Very poor;Poor Very poor Poor.
62, 63 Fair Good Fair Fair Very poor Very poor:Fair Very y poor Fair.
64, 65 Fair Fair Fair Fair Very poor Very poor Fair Very poor Fair.
66 Good Good Fair Fair Poor Very poor Good Very poor Fair.
67 ;Fair Good Fair Fair Poor Very poor Fair Very poor Fair.
See footnote at end of table.
126 SOIL SURVEY
TABLE 12.--ENGINEERING PROPERTIES AND CLASSIFICATIONS--Continued
Classification Frag- Percentage passing ,
Soil name and Depth USDA texture ments sieve number-- Liquid I Plas-
map symbol Unified AASHTO > 3 limit I ticity
inches 4 10 40 200 index
In Pet Pct
36*:
Shingle 0-6 Loam CL-ML A-4 0-5 75-100 75-100 70-95 55-75 25-35 5-10
6-18 Clay loam, loam CL A-6 0 75-100 75-100 65-100 50-80 30-40 10-20
18 Unweathered --- --- --- ___ ___ ___ ___ -_- ---
bedrock,
37 n 37,
38 0-9 Fine sandy loam ML, SM A-4 0-5 75-100 75-100 70-90 45-60 --- NP
38
9-30 Fine sandy loam, SM, ML A-4, A-2 0 75-100 75-100 60-85 30-55 --- NP
sandy loam.
30 Weathered --- --- --- --- ___ ___ ___ ___ ---
bedrock.
39, 40 0-9 Loam CL, SC A-6 0-5 95-100 80-95 70-95 45-75 25-40 10-20
Nunn 9-29 Clay loam, clay CL, CH A-6, A-7 0-5 95-100 90-100 85-95 65-75 35-60 20-35
29-60 Clay loam, loam, CL, A-4, 0-5 80-100 80-100 60-90 25-75 15-40 5-20
sandy loam. CL-ML, A-6,
SM-SC, A-2
SC
41, 42 0-9 Clay loam CL, SC A-6 0-5 95-100 80-95 70-95 45-75 25-40 10-20
Nunn 9-29 Clay loam, clay CH A-6, A-7 0-5 95-100 90-100 85-95 65-75 35-60 20-35
29-60 Clay loam, loam, CL, A-4, 0-5 80-100 80-100 60-90 25-75 15-40 5-20
sandy loam. CL-ML, A-6,
SM-SC, A-2
SC
43 0-9 Loamy sand SM A-2 0-5 95-100 80-95 60-80 20-30 ; --- NP
Nunn 9-30 Clay loam, clay CL, CH A-6, A-7 0-5 95-100 90-100 85-95 65-75 35-60 20-35
30-60 Clay loam, loam, CL, A-4, 0-5 80-100 80-100 60-90 25-75 15-40 5-20
sandy loam. CL-ML, A-6,
__ SM-SC, A_2
SC
.y, 45 0-10 Loamy sand SM A-2 0 95-100 90-100 60-90 15-25 I --- NP
Olney 10-20 Sandy clay loam SC, CL A-6 0 95-100 90-100 80-100 40-55 20-40 10-20
20-25 Sandy loam, SC, A-4, A-6 0 95-100 95-100 75-95 35-55 20L35 5-15
sandy clay SM-SC,
loam, fine CL,
sandy loam. I CL-ML
25-60 Fine sandy loam, SM A-2 0 95-100 95-100 70-95 20-35 --- NP
loamy fine
sand. ,
46, 47, 48 0-10 Fine sandy loam SM A-2 0 95-100 90-100 70-95 20-35 15-25 NP-5
Olney 10-20 Sandy clay loam SC, CL A-6 0 95-100 90-100 80-100 40-55 20-40 10-20
20-25 Sandy loam, SC, A-4, A-6 0 95-100 95-100 75-95 35-55 20-35 5-15
sandy clay SM-SC,
loam, fine CL,
sandy loam. CL-ML
25-60 Fine sandy loam, SM A-2 0 95-100 95-100 70-95 20-35 --- NP
loamy fine
sand.
49 0-22 Sand SM A-2 0 100 100 65-80 15-30 NP
Osgood 22-34 Sandy loam SM A-2, A-4 0 100 100 60-80 30-40 NP
34-60 Loamy sand, sand SM A-2 0 100 95-100 50-75 10-25 --- NP
50, 51 , 52, 53 0-12 Sandy loam SM A-2 0-1 95-100 75-100 50-80 20-35 --- NP
Otero 12-60 Sandy loam, fine SM A-2, A-1 0-1 90-100 50-100 40-80 20-35 --- NP
sandy loam,
gravelly sandy
loam.
54, 55 0-20 Loam ML A-4 0 95-100 90-100 75-95 55-75 25-35 NP-5
Paoli 20-25 Fine sandy loam, SM A-4 0 80-100 80-100 60-85 35-50 --- NP
sandy loam.
25-60 Fine sandy loam, SM A-2, A-4 0 75-100 75-100 55-85 30-50 --- NP
sandy loam.
See footnote at end of table.
130 SOIL SURVEY
TABLE 13.--PHYSICAL AND CHEMICAL PROPERTIES OF SOILS--Continued
—T—Risk of corrosion Erosion[Wind
Soil name and Depth Permea- ;Available Soil Salinity Shrink- factors:erodi-
map symbol bility I water reaction swell ;Uncoated ;Concrete :bility
;capacity potential : steel K T ;group
In In/hr , In/in 1'N Mmhos/cm
29, 30 0-12 2.0-20 0. 11-0.15 6.6-7.8 <2 Low Moderate Low 0.24 5 3
Julesburg 12-27 2.0-20 0.11-0.15 6.6-7.8 <2 Low Moderate Low 0.24
27-60 >6.0 0.05-0. 13 6.6-7.8 <2 Low Moderate Low 0.20
31 , 32, 33, 34 0-12 0.6-2.0 0.16-0.18 7.9-8.4 <2 Low Moderate Low 9.32 5 4L
Kim 12-60 0.6-2.0 0.15-0.17 7.9-8.4 <2 Low Moderate Low 0.32
35*:
Loup 0-16 6.0-20 0.10-0.14 6.6-8.4 <2 Low High Low 0.17 5 2
16-60 6.0-20 0.06-0.08 7.4-8.4 <2 Low High Low 0. 17
Boel 0-14 6.0-20 0.10-0.12 6.6-8.4 <2 Low High Low 0.17 5 2
14-60 6.0-20 0.05-0.07 6.6-8.4 <2 Low High Low 0. 17
36*:
Midway 0-13 0.06-0.2 0.12-0.17 7.9-9.0 2-8 High High Low 0.43 1 4
13 --- --- ---
Shingle 0-6 0.6-2.0 0.16-0.18 7.4-9.0 <2 Low High :Low 0.32 2 4L
6-18 0.6-2.0 0.16-0.21 7.9-9.0 <2 Moderate High :Low 0.49
18 --- ___ ___ ___
37, 38 0-9 2.0-6.0 0.13-0.15 7.9-8.4 <2 Low High Low 0.20 2 3
Nelson 9-30 2.0-6.0 0.11-0.13 7.9-8.4 ; <2 Low High Low 0.20
30 --- --- ---
39, 40, 41 , 42 0-9 0.2-2.0 0.15-0.20 6.6-7.8 <2 Moderate Moderate Low 0.24 5 6
Nunn 9-29 0.06-0.6 0.15-0.18 7.4-8.4 I <2 High High Low 0.28
29-60 0.2-2.0 0.10-0.18 7.4-8.4 <2 Moderate High Low 9.24
-113 0-9 2.0-6.0 0.10-0.14 6.6-7.8 ; <2 Low Moderate Low 0. 15 5 3
unn 9-29 0.06-0.6 0.15-0.18 7.4-8.4 <2 High High Low 0.28
29-60 0.2-2.0 0.10-0.18 7.4-8.4 ; <2 Moderate High ' ow 0.24
44, 45 0-10 6.0-20 0.06-0.10 6.6-7.8 ; <2 Low Low Low 0.17 5 2
Olney 10-20 0.6-2.0 0.13-0.15 6.6-7.8 <2 Moderate High Low 0.24
20-25 0.6-6.0 0.11-0. 15 7.9-8.4 I <2 Low High Low 0.24
25-60 2.0-6.0 0.06-0.13 7.9-8.4 <2 Low High Low 0.20
46, 47, 48 0-10 0.6-6.0 0.11-0.15 6.6-7.8 ; <2 Low Moderate Low 0.20 5 3
Olney 10-20 0.6-2.0 0.13-0.15 6.6-7.8 ; <2 Moderate High Low 0.24
20-25 0.6-6.0 0.11-0.15 7.9-8.4 ; <2 Low High Low 0.24
25-60 2.0-6.0 0.06-0. 13 7.9-8.4 ; <2 Low High Low 0.20
49 0-22 6.0-20 0.05-0.08 6.6-7.3 --- Low Low Low 0. 10 5 1
Osgood 22-34 2.0-6.0 0.10-0.13 6.6-7.3 ; --- Low Low Low 0.17
34-60 6.0-20 0.06-0.08 6.6-8.4 <2 Low Moderate Low 0. 10
50, 51 , 52, 53 0-12 6.0-20 0.09-0.13 7.4-8.4 <2 Low High Low 0.10 5 2
Otero 12-60 6.0-20 0.08-0.12 7.4-8.4 <4 Low High Low 0.10
54, 55 0-20 0.6-2.0 0.16-0.18 6.6-7.3 --- Low Moderate Low 0.20 5 5
Paoli 20-25 >6.0 0.14-0.17 7.4-7.8 <2 Low High :Low 0.20
25-60 >6.0 0.12-0.14 7.4-8.4 <2 Low High :Low 0.20
56, 57 0-9 0.2-0.6 0.17-0.21 6.6-7.8 <2 Moderate High ;Low 0.37 3 6
Renohill 9-32 0.06-0.2 0.14-0. 16 6.6-8.4 <2 High High ;Low 0.32
32 --- --- ---
58, 59 0-6 0.6-2.0 0.16-0.18 7.4-9.0 <2 Low High Low 0.32 2 4L
Shingle 6-18 0.6-2.0 0.16-0.21 7.9-9.0 <2 Moderate High Low 0.49
18 --- --- --- --- ---
60*:
Shingle 0-6 0.6-2.0 0.16-0.18 7.4-9.0 <2 Low High Low 0.32 2 4L
6-18 0.6-2.0 0.16-0.21 7.9-9.0 <2 Moderate High Low 0.49
18 ___ ___ _-_ '
See footnote at end of table.
WELD COUNTY, COLORADO, SOUTHERN PART 133
TABLE 14.--SOIL AND WATER FEATURES--Continued
.
Flooding High water table Bedrock
Soil name and ;Hydro- Potential
map symbol 1 logic Frequency ; Duration Months Depth Kind Months Depth Hard- frost
!group ness action
Ft In
36*:
Shingle ' D None --- --- >6.0 --- --- 10-20 Rip- Low.
pable
37, 38 B None --- --- >6.0 --- --- 20-40 Rip- Low.
Nelson pable
39, 40, 41 , 42, ! !
43 C None --- --- >6.0 --- --- >60 --- Moderate.
Nunn '
44, 45, 46, 47,
48 B None --- --- >6.0 --- --- >60 --- Low.
Olney
49 A None --- --- >6.0 --- --- >60 --- Low.
Osgood
50, 51 , 52, 53---- B None --- --- >6.0 --- --- >60 --- Low.
Otero
54, 55 B None to rare --- --- >6.0 --- --- >60 --- Moderate.
Paoli
56, 57 C None --- --- >6.0 --- --- 20-40 Rip- Low.
Renohill pable
58, 59 D None --- --- >6.0 --- --- 10-20 Rip- Low.
Shingle pable
Ingle D None --- --- >6.0 --- --- 10-20 Rip- Low.
pable
Renohill C None --- --- >5.0 --- --- 20-40 Rip- Low.
pable
61 D None --- --- >6.0 --- --- 10-20 Rip- Low.
Tassel pable
62, 63 B None --- --- >6.0 --- --- 20-40 Rip- Low.
Terry pable
64, 65 C None --- --- >6.0 --- --- 20-40 Rip- Low.
Thedalund pable
66, 67 C None --- --- >6.0 --- --- >60 --- Low.
Ulm
68* A None --- --- >6.0 --- --- >60 --- Low.
Ustic
Torriorthents
69, 70 A None --- --- >6.0 --- --- >60 --- Low.
Valent
71*:
Valent A None --- --- >6.0 --- --- >60 --- Low.
Loup D Rare to Brief Mar-Jun +.5-1.5 Apparent Nov-May >60 --- Moderate.
common.
72, 73, 74, 75,
76, 77 B ;None --- --- >6.0 --- --- >50 --- ;Low.
Vona
See footnote at end of table.
WELD COUNTY, COLORADO, SOUTHERN PART 135
TABLE 15.--CLASSIFICATION OF THE SOILS
Soil name Family or higher taxonomic class
Adena Fine-loamy, mixed, mesic Ustollic Paleargids
Altvan Fine-loamy over sandy or sandy-skeletal , mixed , mesic Aridic Argiustolls
Aquents Aquents
Aquepts Aquepts
Aquolls Aquolls
Ascalon Fine-loamy, mixed, mesic Aridic Argiustolls
Bankard Sandy, mixed, mesic Ustic Torrifluvents
Boel Sandy, mixed , mesic Fluvaquentic Haplustolls
Bresser Fine-loamy, mixed, mesic Aridic Argiustolls
Cascajo Sandy-skeletal , mixed , mesic Ustollic Calciorthids
Colby Fine-silty, mixed (calcareous) , mesic Ustic Torriorthents
Colombo Fine-loamy, mixed, mesic Torrifluventic Haplustolls
Dacono Clayey over sandy or sandy-skeletal, montmorillonitic, mesic Aridic Argiustolls
Fort Collins Fine-loamy, mixed, mesic Ustollic Haplargids
Haverson I Fine-loamy, mixed (calcareous) , mesic Ustic Torrifluvents
Heldt Fine, montmorillonitic, mesic Ustertic Camborthids
Julesburg Coarse-loamy, mixed, mesic Aridic Argiustolls
Kim Fine-loamy, mixed (calcareous) , mesic Ustic Torriorthents
Loup Sandy, mixed, mesic Typic Haplaquolls
Midway Clayey, montmorillonitic (calcareous) , mesic, shallow Ustic Torriorthents
Nelson Coarse-loamy, mixed (calcareous) , mesic Ustic Torriorthents
Nunn Fine, montmorillonitic, mesic Aridic Argiustolls
Olney Fine-loamy, mixed, mesic Ustollic Haplargids
Osgood Loamy, mixed, mesic Arenic Ustollic Haplargids
Otero Coarse-loamy, mixed (calcareous) , mesic Ustic Torriorthents
Paoli Coarse-loamy, mixed, mesic Pachic Haplustolls
Renohill Fine, montmorillonitic, mesic Ustollic Haplargids
Shingle Loamy, mixed (calcareous) , mesic, shallow Ustic Torriorthents
Tassel Loamy, mixed (calcareous) , mesic, shallow Ustic Torriorthents
Terry Coarse-loamy, mixed, mesic Ustollic Haplargids
Thedalund Fine-loamy, mixed (calcareous) , mesic Ustic Torriorthents
Ulm Fine, montmorillonitic, mesic Ustollic Haplargids
-'stic Torriorthents Ustic Torriorthents
lent Mixed, mesic Ustic Torripsamments
,ona Coarse-loamy, mixed, mesic Ustollic Haplargids
Weld Fine, montmorillonitic, mesic Aridic Paleustolls
Wiley Fine-silty, mixed, mesic Ustollic Haplargids
*U.S.GOVERNMENT PRINTING OFFICE: 1980-251-60627
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