HomeMy WebLinkAbout20002646.tiff SOILS CLASSIFICATION REPORT
SE'/.SE'/.SE'/4 SECTION30, T3N, R65W
WELD COUNTY, COLORADO
BASED ON INFORMATION RECEIVED FROM
U.S. DEPARTMENT OF AGRICULTURE
SOIL CONSERVATION SERVICE
2000-2646
DEPARTMENT OF AGRICULTURE
SO ;ONSERVATION SERVICE
:a-CC=-e- R.66'N. R. 66 N.
-./.`"- , -y
13 Ai RILEY 69 73 _)3 48 73
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73 MOUND ., , 72 1'- 44 --_..._. - .e.......r 73 a4 73 .4
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a9 72 CgRLlNz. �:...
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\ 72 35 *0
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IIL CONS c.\.e I_, r __ __ --
1
1 SOIL EGEND
I SYMBOL NAME SYMBCL NAME
Altvan loam.0 to 1 percent slopes 44 Olney loamy sand.1 to 3 percent slopes
AINan loam. 1 to 3 percent slopes 45 Olney loamy sand.3 to 5 percent slopes
Aquolls and Apuents.gravelly substratum 46 Olney fine sandy loam.0 to 1 percent slopes
Aquolls and Aquepts.flooded 47 Olney floe sandy loam. I to 3 percent slopes
Ascalon sandy loam. 1 to 3 percent slopes 48 Olney fine sandy loam.3 to 5 percent slopes
Ascalon sandy loam.3 to 5 percent slopes 49 Osgood sand 0 to 3 percent slopes
Ascalon sandy loam,5 to 9 percent slopes 50 Otero sandy loam.0 to I percent slooes
Ascalon loam.0 to 1 percent slopes 51 Otero sandy'oam. 1 to 3 percent slopes
Ascalon loam, I to 3 percent slopes 52 Otero sandy'oem 3 to 5 percent slopes
53 Otero sandy'oam.5 to 9 percent slopes
0 Barkard sandy loam.0 to 3 percent slopes
I Bresser sandy loam.0 to 1 percent slopes 54 Paoli loam 0 to 1 percent slooes
2 Presser sandy loam. :to 3 percent slopes 55 Paull loam. 1 to 3 percent slopes
3 Casco)gravelly sandy loam.5 to 20 percent slopes 56 Renohill clay loam.0 to 3 percent s'npes
4 Colby oam.0 to 1 percent slopes 57 Renonlll clay loam.30 9 percent copes
5 Colby'Dam. 1 to 3 percent slopes
t Colby loam.3 to 5 percent slopes 58 Shingle'Pam 1 to 3 percent slopes
Colby loam.5 to 9 percent slopes 59 Shingle loam 3 to 9 pen em slopes
•
Colby Adena yams.3 to 9 percent slopes 60 Shmgre Renoeel comp e• _' to 3 oer cent slop,
Colombo clay loam.0 to 1 percent slopes
_0 C,cmbo clay loan. I to 3 percent slopes SiTassel tine 5,lncy cam 5 to s tent cent sloes'
n2 Terry nne sandy oanr, 0'0 3 Percent Awes
21 'Jac one cay loam 0 to 1 percent slopes o3 Terry tine sandy cam 3 to 9 perce'''slopes
Oac ono day edam 1 to 3 percent slopes o4 Thedalunc,cam 1 to 3 Der cent slopes
,5 Tneaalund'can'. 3 to ? Der'en, loves
r Cokes loam 1 ter : per,cent slopes
'..r Cnbr.s man' 1 •, 3 percent slopes bb Ulm clay aan 31c 3 pee en,slope
• 07 U.m clay pare 3 to 5 or ent slr'pe
25 nare'son'oam 0'o percent slopes 08 Ustic Tdrr or nests.moderately seen
Ha a son perm I es 'Percent slopes
Meat silty clay I Jercent slopes I b9 V. e.t card ) 0 3 percent'nicer
_ e -',elm sty clay 3 roe•t stoves c0 `t sand a 3 pP•"cn1 slops`
silent Loup ample. 3'.0 t percent slopes
„mspurg sandy tan 0 to I per e•I slopes 72 Vena'.oamyi,and C'e 3 percent slopes
30 Julesourg sanoy loan 1 'p 3 Percent slaees 13 Vona oamv'ano 3 to 5 pe•eent slopes
Vona Ioam,',and 5 re 9 percent ,lc.ees
silo oam 0'0 1 percent stapes Vona sanoy oam C c . ee'ceet -1 ees
or 1 to 3 cement slopes 7, Vona sands oam 3 percent ,
m 3 to :per en'slooes s, Vona sandy Dam _,t:5 percent+r oes
em ,oam 5 to 9 percent s.oces
to v:e'a'P.m C •.l I P r err'lour•
35 ,-r.a Roe loamy sanity 0 to 3 percent slopes p \Vera loom I0 3 per enl.lope,
80 sera loam 3 to 5 per_ent.Inoes
lb
'.tnwas Seei.;e :sr t,. er 5•c 20 percent nouns el. rwley C. ndmp'e, 1, t oercett(slopes
'.v'es C.i°.''omcler l to Percent sopes
Ne'son tine sandy'oam 0 to 3 percent 01''cc' •v"er C.if, :.more. 3 r peFr en•slopes
2d Ne'spn'me sanay tam 3 to 9 percent slopes
=9 Nunn,cam 0 to 1 percent scopes
40 Nunn oam 1 1n 3 oercen'slopes
Nunn clay parr 0 to 1 percent slooes
Nu in _lay dart` ts_perte'tt]tce5
. Nn'^ :ploy 5drt1, '1'.e 1 prrCe"t ors
1
a . .. _ .
74 SOIL SURVEY
Clca-19 to 34 inches; very pale brown (10YR 7/3) clay, pale brown
Thedalund series (10YR 6/3) moist; weak coarse subangular blocky structure; ex-
tremely hard, very firm; some visible lime occuring in medium soft
The 'Pho s a series m donsists in residuum of moderately deep, welluum from soft calcare- masses;calcareous:moderately alkaline;gradual smooth boundary.
drained soils that formed C2ca-34 to 60 inches; very pale brown (10YR 7/3) clay loam, pale
ous shale. Thedalund soils are on plains. Slopes are 1 to 9 brown (10YR 6/3) moist; weak coarse subangular blocky structure;
percent. very hard, firm; some visible lime occuring in medium soft masses;
Thedalund soils are similar to Kim, Nelson, Otero, Shin- calcareous; moderately alkaline.
gle, and Tassel soils and are near the Olney and Terry Thickness of the sadism ranges from, 15 to 36 inches. Rock fragments
soils. Kim, Otero, and Olney soils are deep. Nelson and make up 0 to 5 percent of the solum.
Tassel soils are less than 18 percent clay in the C horizon. The A horizon has hue of 10YR or 2.5Y,value of 5 or 6 dry and 4 or 5
Terry soils have a B2t horizon that is less than 18 percent moist,and chroma of 2 or 3.The B2t horizon is commonly clay that is 40
clay. Shingle soils have shale between 10 and 20 inches. to 50 percent clay.
Typical pedon of Thedalund loam, 3 to 9 percent slopes,
2,050 feet north and 1,800 feet east of southwest corner Valent series
sec. 29, T. 7 N., R. 65 W. The Valent series consists of deep, excessively drained
Ap--0 to 8 inches: brown (10YR 5/3) loam, dark brown (10YR 4/3) soils that formed in eolian deposits. Valent soils are on
moist; moderate fine granular structure; slightly hard, friable; 5 plains. Slopes are 0 to 9 percent.
percent shale chips: calcareous; moderately alkaline: abrupt smooth Valent soils are near the Loup. Boel, Osgood, al Vona
boundary.
andClca--8 to 12 inches; pale brown (IOYR 6/3) loam, brown (101'R 5,3) soils. Loup and Boel soils are poorly drained. Osgood and
moist; weak fine granular structure; slightly hard, friable; some Vona soils have a B horizon.
visible lime in medium soft masses; calcareous: moderately alkaline: Typical pedon of Valent sand, 0 to 3 percent slopes,
clear smooth boundary. 2 220 feet north and 132 feet west of southeast corner
C'_ca-1^_ to 25 inches: very pale brown (10YR 7/4) loam stratified with
thin lenses of shale, light yellowish brown (10YR 6/4) moist; mss- sec. 8, T. 4 N., R. 62 W.
sive; slightly hard, friable; some visible lime occuring in medium grayish
soft, masses;calcareous; moderately alkaline; abrupt smooth bounds- AI-02,moist; single grainn ed Yoose:ne neutral;,dark
ear smooth boundary.(10YR
4/ry. C1-8 to 60 inches; brown (10YR 5/3) sand. dark grayish brown (10YR
Car-2:i inches; soft calcareous shale.
4/2) moist; single grained: loose; neutral.
Typically these soils have free carbonates at the surface. Depth to shale ranges from 20 to 40 inches. Content of rock fragments ranges Coarse
c fragments
sr Depth to free carbonat 0 to 10 es of the
is more u and are
andn 40
from 0 to 15 percent. mainly
The A horizon has hue of 10YR or 2.5Y, value of 5 or 6 dry and 4 or 5 inches,
moist, and chroma of 2 or 3. The C horizon has hue of 10YR or 2.5Y. It The A horizon has hue of 10YR and 25Y, value of 5 or 6 dry and 3 to
is loam or clay loam that is 18 to:35 percent clay. 5 moist,and chroma of 2 or 3.
Ulm series Vona series
The Ulm series consists of deep, well drained soils that The Vona series consists of deep, well drained to
formed in calcareous alluvial and eolian sediments from somewhat excessively drained soils that formed in eolian
shale. Ulm soils are on plains. Slopes are 0 to 5 percent. or alluvial deposits. Vona soils are on plains and h:.gh ter-
Ulm soils are similar to the Fort Collins, Renohill, and races. Slopes are 0 to 9 percent.
Wiley soils and are near the Heldt and Nunn soils. Fort Vona soils are similar to the Olney and Terry s.As and
Collins and Wiley soils are less than 35 percent clay in are near the Ascalon, Bresser, .Julesburg, Osgood Otero,
the B2t horizon. Renohill soils have shale between 20 and and Valent soils. Olney, Ascalon, and Dresser sails are
4(1 inches. Heldt soils lack a B2t horizon. Nunn soils have more than 18 percent clay in the B2t. horizon. Tei soils
a dark colored surface layer. have sandstone between 20 and 40 inches. .Iulesbt rg soils
Typical pedon of Ulm clay loam, 0 to 3 percent slopes. have a dark colored surface layer. Osgood soils ha:e an A
1,370 feet north and 240 feet west of southeast corner horizon that is coarser than loamy fine sand and is more
sec. 33, T. I N., R. 68 W. than 20 inches thick. Otero and Valent soils I:ck a B
Ap—O to 5 inches; brown (10YR 5/3) clay loam dark grayish brown horizon.
cal pedon of Vona loamy sand. 0 to 3 percent
(10YR 4/2) moist; moderate fine granular structure; slightly hard,
firm: calcareous;mildly alkaline;abrupt smooth boundary. 180 feet north and i 400 feet, east of s�.�uthwest
BL —5 to 13 inches; brown (10YR 5/3) clay, dark grayish brown (10YR slopes,
4/2) moist; weak coarse angular blocky structure parting to corner sec. 25, T. 5 N., R. 61 W.
moderate medium angular blocky; extremely hard, extremely firm:co Al-0 to 6 inches: grayish brown (lOYR ScJ 'oamy .+and. de."k grayish
mildly mmoa moderately clear
thick clay films on faces of peels: calcareous: brown (10YR 4/2) moist: weak fine granular structure: soft. very
alkaline; smooth boundary. friable; neutral: clear smooth boundary.
B3ea to ea inches; pale brown (10YR 6/3 clay, breme (10YR Si )
moist; weak coarse angular blocky structure: extremely hard, ex- A3-6 to 12 inches; grayish brown, (10YR 5/2) tine sandy cam, dark
few thin cla films on faces of some peds; some visi- grayish brown (10YR 4/2) moist; weak coarse subangu ar blocky
trendy firm; y
ble lime in fine seams; calcareous; moderately alkaline; gradual structure: slightly harci. very fiiable: neuc�l: rle�ar smooh bounda-
smooth boundary. rl
WELD COUNTY, COLORADO, SOUTHERN PART 10:.
TABLE 6.--BUILDING SITE DEVELOPMENT--Continued
Soil name and Shallow Dwellings Dwellings Small Local roads
map symbol excavations without with commercial and streets
—
basements basements buildings
66, 67 Moderate: Severe: Severe: ;Severe: Severe:
Ulm too clayey. shrink-swell. shrink-swell. : shrink-swell. low st
rength,
shri- -swe. 1 .
68' Severe: Moderate: Moderate: ;Moderate: ;Mac er3te:
Ustic small stones, slope. slope. I slope. ; s!:.se.
Torriorthents cutbanks cave.
-
69 Severe: Slight Slight . fight .::: .
Talent cutbanks cave.
79 Severe: Slight Slight :moderate: _ _ _
';avant cutbanks cave. slope.
Valent - Severe: Slight Slight " alerate: -
cutbanks cave. - -
Loup -- :Severe: Severe: Severe: ,_, .ere: Set=.. .
wetness, : wetness, wetness, s,-tress
cutbanks cave. : floods. floods. :
.Slight 'Slight ;ht
Vona
i�:ht
- .
7N ;Slight_---- :Slight Slight ::erit.': -
Vane
slope.
'5 76 ;Slight----- Slight :',Slight- 31 ilat
Vora
;Slight :Slight !Slight-- '2:.erate:
la
'. 79 :Slight I!Moder at. . q,•
'deli ; low strength,' ...' strength. W st^
shrink-swell . shrink-swell .
'.) Sigh` !moderate: !moderate: .g. ate. .. r-
f 'de`:: : low strength, _ow siren' . __rent_ , . _
snrink-swell . : shrink: _wem: , __:cue ,
' ' * 32*
alley plight Moderate: Moderate: .rase:
1:w strength, ' Low strength, I :'w st-e^, 'n ,
shrl'lk
:'cloy _____ Slight--__- Slight :;ligh". ,-,
.Jiley _ light - Mode-ate: :Moderate: :Mod-rate: _
low strength, low strength , „ stre stn , iw
shrink-swell. shrink-swell. s_ope, : shni---.« : .
' snr ink-swel-l .
Colby ;Slight--- Slight Slight Mo-ierate: : moo er ate:
slope.
* See map unit description for the composition and behavior of the map unit .
siimmusu-
SOIL SURVEY
'l14
TABLE 9.--WATER MANAGEMENT--Continued
—I--
_____
—n -- Irrigation Terraces Grassed
Soil name and Pond dikes , ands, Drainage and waterways
map symbol reservoir dikes, and diversions —T -__
areas ; levees r
depth Slope, Slope,; Slope,
_ Slope, °thing, Slope, depth to rook, rooting cepth,
63 to rock, thin layer . rooting depth. rooting winth, '.
Terrysoil blowing. soil blowing. soil D1o� ina.
seepage. ;
Slope, Depth to rock Rooting d( pt! .
64- Depth to rock, ;Low strength, Slope,depth to rock. rooting depth. :
`•,.ed a'_.�.^.d slope. ; piping,
thin layer .
Slope, Slope, Depth to rock Slope,
___ Depth to rock, ;Law strength, rooting epth.
b5------- depth to rock. rooting depth. g Ft
s,slope . ; piping,T4 e9 a_�':" ; thin layer.
Peres slowly, ':Peres slowly--- Erodes ea a'y.
h5 _ Favorabl_ :Low strength, favorable erodes easily. ;
shrink-swell,
.�'_'r compressible.
Slope ;Low strength, Slope
Slope. Peres slowly--- Erodes easily.
._ peres slowly,
', compressible.° I compressible , erodes easily.
b n
Slope, ;Too sandy , Droughty ,
Seepage Slope slope.
bat Seepage, droughty. I slope .
Ustic slope. _y_. --�•
Torriorthents
Slope
Slope . Erodes easily, Erodes easily.
1-77- Sslope P seepa` erodes easily, : piping•
`:alent slope ., seepage. droughty .
Erodes easily, I Slope, I
Slope Slope, erodes lassie.
Seepage, Piping, erodes easily, piping.
';I al ant slope . seepage. droughty. _ _---
1— -- Erodes gas:ly. S1oPe,
7•al P Slope Slope, lope, +•a s..ly.
7 al ant---- . Piping, erodes easily , ' piping.
slope. seepage. droughty.
Seepage, Poor; out-tats, Wetness,(
Not needed-----;Not needed.
Loup ,Seepage cutbanas cave. seepage.
p:PinH. � _
Slope, Piping. ;Erodes easily.
Piping, Slope( erodes easily. ;
72, 73 11 Seepage, erodes s easily, ; fast intake.
Vona slope . seepage.
seepage.
,°iping , 1 Slope,
P erode , :slope Slope , : eroces easily. ) erodes easily.
ru Seepage, fast intake,
Vona slope . sedag easily, : seepage.
eepage.
codes easily•
Pipinr , ;Favorable I Fast intake, I Piping,
75 Seepage, ;Vona slope . erodes easily, seepage. ; erodes easily.
seepage.
;Slope , Piping,; :Erodes ^as-'-y•
"5, 77 , Piping, Slope fast intake, ' erodes easily. .
Vona slope . seedag easily, ; seepage.
eepage.
Low strength--- Peres slowly--- Peres slowly , 'Piping ,
Peres s.o uly•
79 .. Seepage slow intake. ; peros slowly
Weld ;Piping, .Peres s.ouly•
(Low strength--- Slope , ;Slope,
,9 BG Seepage g peres slowly. I Deres slowly, percs slowly.
Weld slow intake.
81': Piping, Peres slowly-- FavorablePiping--------
Erodes easily.
Wiley ;Slope, low strength.
seepage.
Colby :Seepage Low strength, Favorable Favorable.
;Favorable !Favorable.
piping.
See footnote at end of table.
I
WELD COUNTY, COLORADO, SOUTHERN PART ,27
i
TABLE 12.--ENGINEERING PROPERTIES AND CLASSIFICATIONS--Continued
-- -r , Classification Frag- Percentage passing --7--------7------
Soil name and Depth USDA texture ' cents sieve number-- I Liquid P:as-
I Unified AASHTO > 3 I limit t.city
map symbol _ inches 4 10 40 200 index
---- In Pct Pct
56, 57----- 0-9 Clay loam CL A-6 0 85-100 80-100 80-95 70-80 25-40 1' -20
Renohi.11 9-32 Clay , clay loam :Cu, CH A-7, A-6 0 95-100 90-100 90-100 75-95 35-65 2' -3`.
32 Weathered --- --- --- --- --- --- --- -.-- __
bedrock.
53, 0-6 Loam :CL-ML A-4 0-5 75-100 75-100 70-95 55-75 ' 25-35 ' -10
59 0Shingle 6-18 Clay loam, loam :CL A-6 75_ ---
100 75-100 65-100_ __-50-80 3 _-0
-18 Unweathered --- --- ---
bedrock.
604:
Sling-- 0-6 Loam CL-ML A-4 0-5 75-100 75-100 70-95 55-75 25-35 _1,.)
6-18 Clay loam, loam CL A-6 0 75-100 75-100 65-100 50-80 30-40 1-20
18 Unweathered --- --- --- --- --- --- ---
bedrock.
d er.o h_i 0-9 Clay loam CL A-6 0 85-100 80-100180-95 70-80 25-40 1 :-20
9-32 Clay, clay loam CI., CH A-7, A-6 0 95-100 90-100190-100 75_95 35-65_ -3
2 C
32 Weathered --- --- --- ---
I bedrock .
- 1____._ 0-11 Fine sand,/ loam ML, SM A-4 0 95-'00 90-100170_95 40_65 20_35 N '_5
Tassel
11 IUnweathered --- --- --- --- ,
bedrock .
62, 63- 0-n Fine sandy loam ISM, ML A-2, A-4 0-5 75-100 75-100 70-9C 30-60 ___ 4P
Terry 5-18 Fine sardy loam, ISM, ML A-4 0 75-100 75-100 70-85 140-60 I VP
sandy loam.
1A-37 Fine sandy loam, ISM A-2, A-4 0-5 75-100 75-100,70-85 :25-50 --- VP
sandy loam,
i loamy fine
sand.
37 Weathered ___ ___ ___ ,
bedrock .
• ha, 64 0-3 Loam -ML IA-4 0-5 80-100 75-100',70-95 50-75 20-30 5-10
Thedaluna
8-25 Clay loam , loam, CL-ML, A-6, A-4 0-5 80-100 75-100;70-95 40-30 1 25-35 5-15
4 very fine sandy CL, '
loam. SM-SC,
SC
___ ___ ___ ___25 Weathered --- �
---
bedrock .
,Clay loam - I4-6 0_5 19°-100 95-100 80-100,70-80 30-40 '0- 5
67 0-5
'Ilm 9-19 Clay loam, cloy - 'A-o 0-5 ,75_100 75-100 75-100;60-80 35-45 .0- 0
.. , A-7 0-5 75_In0 75-100 75-100-90 30-40 5-. 0
1 19-60 Clay loam -°
_* ,-S0 VarLable -- ---
___ ___
Usti,: •
�T-_,__
Tornl artnu1tJ
: A-, 0 IncSC-91 10-30 ___ NP
0 e� 0-S !Fine sane1 qc 10'.. 5-90 5-20 --- NP
'i al nt 8-50,Fioe sand , son
HT-CM. 0 n-,, n-3 0
1 '.n 1C0 4C-95 10-30 --- NF
Valens P ;Fine sand '4_y 0 -2- NP
8 601Fine sand , sand -.. , GM A-'' A-3 0 %1 95-100 75-9J 5-20
• A-2 0 '' )1 100 50-110 15-30 --- 4P
Loup 6-16 Loamy andd 111 100 65-100 5-20 --- NP
16-60 ,Fine sand , loamy 'P-S`^, SM ,1-', A-3 0
sand , sand .
See f.:ctnote at end or table.
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