HomeMy WebLinkAbout981891.tiff • WET n COUNTY, COLORADO, SOUTHERN PART 23
Windbreaks and environmental plantings of trees and The potential native vegetation is dominated by blue
shrubs commonly grown in the area are generally well grama. Several mid grasses, such as western wheatgrass
suited to this soil. Cultivation to control competing and needleandthread, are also present. Potential produc-
Vegetation should be continued for as many years as tion ranges from 1,600 pounds per acre in favorable years
ible following planting. Trees that are best suited and to 1,000 pounds in unfavorable years. As range condition
good survival are Rocky Mountain juniper, eastern deteriorates, the mid grasses decrease; blue grama, buf-
redcedar, ponderosa pine, Siberian elm, Russian-olive, and falograss, snakeweed, yucca, and fringed sage increase;
hackberry. The shrubs best suited are skunkbush sumac, and forage production drops. Undesirable weeds and an-
Siberian peashrub, lilac, and American plum. nuals invade the site as range condition becomes poorer.
Wildlife is an important secondary use of this soil. The Management of vegetation on this soil should be based
cropland areas provide favorable habitat for ring-necked on taking half and leaving half of the total annual produc-
pheasant and mourning dove. Many nongame species can tion. Seeding is desirable if the range is in poor condition.
be attracted by establishing areas for nesting and escape Sideoats grama, little bluestem, western wheatgrass, blue
cover. For pheasants, undisturbed nesting cover is essen- grama, pubescent wheatgrass, and crested wheatgrass are
tial and should be included in plans for habitat develop- suitable for seeding. The grass selected should meet the
ment, especially in areas of intensive agriculture. seasonal requirements of livestock. It can be seeded into
This soil has good potential for urban and recreational a clean, firm sorghum stubble, or it can be drilled into a
development. Increased population growth in the survey firm prepared seedbed. Seeding early in spring has
area has resulted in increased homesite construction. The proven most successful.
chief limiting feature for urban development and road Windbreaks and environmental plantings of trees and
construction is the limited capacity of the soil to support shrubs commonly grown in the area are generally well
a load. Septic tank absorption fields function properly, but suited to this soil. Cultivation to control competing
community sewage systems should be provided if the vegetation should be continued for as many years as
possible following planting. Trees that are best suited and
population density increases. Because of the permeability
of the substratum, sewage lagoons must be sealed. have good survival are Rocky Mountain juniper, eastern
Lawns, shrubs, and trees grow well. Capability class I ir- redcedar, ponderosa pine, Siberian elm, Russian-olive, and
rigated. hackberry. The shrubs best suited are skunkbush sumac,
32—Kim loam, 1 to 3 percent slopes. This is a deep, lilac, Siberian peashrub, and American plum.
Wildlife is an important secondary use of this soil. The
well drained soil on smooth plains and alluvial fans at
elevations of 4,900 to 5,250 feet. It formed in mixed eolian cropland areas provide favorable habitat for ring-necked
deposit and pheasant and mourning dove. Many nongame species can
p parent sediment from a wide variety of be attracted by establishing areas for nesting and escape
b- ' ock. Included in mapping are small areas of soils that cover. For pheasants, undisturbed nesting cover is essen-
loamy sand underlying material. tial and should be included in plans for habitat develop-
ypically the surface layer is brown and pale brown ment, especially in areas of intensive agriculture. Range-
loam about 12 inches thick. The upper 28 inches of the un- land wildlife, for example, the pronghorn antelope, can be
denying material is pale brown loam. The lower part to a attracted by developing livestock watering facilities,
depth of 60 inches is pale brown fine sandy loam. managing livestock
Permeability is moderate. Available water capacity is grazing, and reseeding where needed.
high. The is rooting depth is 60 ine s or more. This soil has good potential for urban and recreational
development. Increased population growth in the survey
Surface runoff is medium, and the erosion hazard is low. area has resulted in increased homesite construction. The
In irrigated areas this soil is suited to all crops com- chief limiting soil feature for urban development and road
manly grown in the area, including corn, sugar beets, construction is the limited capacity of this soil to support
beans, alfalfa, small grain, potatoes, and onions. An exam- a load. Septic tank absorption fields function properly, but
ple of a suitable cropping system is 3 to 4 years of alfalfa community sewage systems should be provided if the
followed by corn, corn for silage, sugar beets, small grain, population density increases. Because of the permeability
or beans. Land leveling, ditch lining (fig. 6), and installing of the substratum, sewage lagoons must be sealed.
pipelines may be needed for proper water applications. Lawns, shrubs, and trees grow well. Capability subclass
All methods of irrigation are suitable, but furrow ir- Ile irrigated, IVe nonirrigated; Loamy Plains range site.
rigation is the most common. Barnyard manure and com- 33—Kim loam, 3 to 5 percent slopes. This is a deep,
mercial fertilizer are needed for top yields. well drained soil on plains and alluvial fans at elevations
In nonirrigated areas this soil is suited to winter wheat, of 4,900 to 5,250 feet. It formed in mixed eolian deposits
barley, and sorghum. Most of the acreage is planted to and parent sediment from a wide variety of bedrock. In-
winter wheat and is summer fallowed in alternate years eluded in mapping are small areas of soils that have
to allow moisture accumulation. Generally precipitation is loamy sand underlying material.
too low for beneficial use of fertilizer. Typically the surface layer is brown and pale brown
Stubble mulch farming, striperopping, and minimum til- loam about 10 inches thick. The upper 28 inches of the un-
lage are needed to control soil blowing and water erosion. denying material is pale brown loam. The lower part to a
Terracing also may be needed to control water erosion. depth of 60 inches is pale brown fine sandy loam.
EXHIBIT
981891
32 SOIL SURVEY
are Rocky Mountain juniper, eastern redcedar, ponderosa ble years to 1,800 pounds in unfavorable years. As range
pine, Siberian elm, Russian-olive, and hackberry. The condition deteriorates, the sand bluestem, sand reedgrass,
shrubs best suited are skunkbush sumac, lilac, and Siberi- and switchgrass decrease and blue grama, sand dropseed,
an peashrub. and sand sage increase. Annual weeds and grasses invade
Wildlife is an important secondary use of this soil. The the site as range condition becomes poorer.
cropland areas provide favorable habitat for ring-necked Management of vegetation on this soil should be based
pheasant and mourning dove. Many nongame species can on taking half and leaving half of the total annual produc-
be attracted by establishing areas for nesting and escape tion. Seeding is desirable if the range is in poor condition.
cover. For pheasants, undisturbed nesting cover is essen- Sand bluestem, sand reedgrass, switchgrass, sideoats
tial and should be included in plans for habitat develop- grama, blue grama, and pubescent wheatgrass are suita-
ment, especially in areas of intensive agriculture. ble for seeding. The grass selected should meet the
Rapid expansion of Greeley and the surrounding area seasonal requirements of livestock. It can be seeded into
has resulted in urbanization of much of this Olney soil. a clean, firm sorghum stubble, or it can be drilled into a
This soil has good potential for urban and recreational firm prepared seedbed. Seeding early in spring has
development. The only limiting feature is the moderately proven most successful.
rapid permeability in the substratum, which causes a Windbreaks and environmental plantings are generally
hazard of ground water contamination from sewage suited to this soil. Soil blowing, the principal hazard in
lagoons. Lawns, shrubs, and trees grow well. Capability establishing trees and shrubs, can be controlled by cul-
class I irrigated. tivating only in the tree row and by leaving a strip of
47—Olney fine sandy loam, 1 to 3 percent slopes. vegetation between the rows. Supplemental irrigation
This is a deep, well drained soil on plains at elevations of may be needed at the time of planting and during dry
4,600 to 5,200 feet. It formed in mixed outwash deposits. periods. Trees that are best suited and have good survival
Included in mapping are small areas of soils that have a are Rocky Mountain juniper, eastern redcedar, ponderosa
dark surface layer. Some small leveled areas are also in- pine, Siberian elm, Russian-olive, and hackberry. The
eluded. shrubs best suited are skunkbush sumac, lilac, and Siberi-
Typically the surface layer of this Olney soil is grayish an peashrub.
brown fine sandy loam about 10 inches thick. The subsoil Wildlife is an important secondary use of this soil. The
is yellowish brown and very pale brown sandy clay loam cropland areas provide favorable habitat for ring-necked
about 14 inches thick. The substratum to a depth of 60 pheasant and mourning dove. Many nongame species can
inches is very pale brown, calcareous fine sandy loam. be attracted by establishing areas for nesting and escape
Permeability and available water capacity are cover. For pheasants, undisturbed nesting cover is essen-
moderate. The effective rooting depth is 60 inches or tial and should be included in plans for habitat develop-
more. Surface runoff is medium, and the erosion hazard is ment, especially in areas of intensive agriculture. Range-
low. land wildlife, for example, the pronghorn antelope, can be
In irrigated areas this soil is suited to all crops com- attracted by developing livestock watering facilities,
monly grown in the area, including corn, sugar beets, managing livestock grazing, and reseeding where needed.
beans, alfalfa, small grain, potatoes, and onions. An exam- Rapid expansion of Greeley and the surrounding area
ple of a suitable cropping system is 3 to 4 years of alfalfa has resulted in urbanization of much of the Olney soil.
followed by corn, corn for silage, sugar beets, small grain, This soil has good potential for urban and recreational
or beans. Land leveling, ditch lining, and installing development. The only limiting feature is the moderately
pipelines may be needed for proper water application. All rapid permeability in the substratum, which causes a
methods of irrigation are suitable, but furrow irrigation is hazard of ground water contamination from sewage
the most common. Barnyard manure and commercial fer- lagoons. Lawns, shrubs, and trees grow well. Capability
tilizer are needed for top yields. subclass Ile irrigated, IVe nonirrigated; Sandy Plains
In nonirrigated areas this soil is suited to winter wheat, range site.
barley, and sorghum. Most of the acreage is planted to 48—Olney fine sandy loam, 3 to 5 percent slopes.
winter wheat. The predicted average yield is 28 bushels This is a deep, well drained soil on plains at elevations of
per acre. The soil is summer fallowed in alternate years 4,600 to 5,200 feet. It formed in mixed outwash deposits.
to allow moisture accumulation. Generally precipitation is Included in mapping are small areas of soils that have a
too low for beneficial use of fertilizer. dark surface layer and small areas of soils that have
Stubble mulch farming, striperopping, and minimum til- sandstone and shale within a depth of 60 inches.
lage are needed to control soil blowing and water erosion. Typically the surface layer of this Olney soil is grayish
Terracing also may be needed to control water erosion. brown fine sandy clay loam about 8 inches thick. The sub-
The potential native vegetation on this range site is soil is yellowish brown and very pale brown fine sandy
dominated by sand bluestem, sand reedgrass, and blue loam about 12 inches thick. The substratum to a depth of
grama. Needleandthread, switchgrass, sideoats grama, 60 inches is very pale brown. calcareous fine sandy loam.
and western wheatgrass are also prominent. Potential Permeability and available water capacity are
production ranges from 2,200 pounds per acre in favora- moderate. The effective rooting depth is 60 inches or
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94 SOIL SURVEY
TABLE 4.--ACREAGE AND PROPORTIONATE EXTENT OF THE SOILS
Map Soil name Acres :Percent
symbol __Cell__ -__ .-
•
•
Altvan loam, 0 to 1 percent slopes 19,740 1 "
Altvan loam, 1 to 3 percent slopes 2, 140 I 0.e
Aquolls and Aquents, gravelly substratum 34,030 I 3.0
4 Acuolls and Aquepts, flooded 22,530 I i.
5 Ascalon sandy loam, 1 to 3 percent slopes 12,280 1 . 1
6 ,Ascalon sandy loam, 3 to 5 percent slopes 8,052 7.7
7 'Ascalon sandy loam, 5 to 9 percent slopes 640 : . 1
8 Ascalon loam, 0 to 1 percent slopes 0,290 ' 0.4,
9 Ascalon loam, 1 to 3 percent slopes 960 n. 1
10 :Banaard sandy loam, 0 to 3 percent slopes 19,980 I ' .7
11 Dresser sandy loam, 0 to 1 percent slopes 1 ,620 0. 1
12 !Dresser sandy loam, 1 to 3 percent slopes 1 ,220 I 0. 1
13 '.fascajo gravelly sandy loam, 5 to 20 percent slopes 1 ,830 C.2
14 :Colby loam, 0 to 1 percent slopes • 7,707
3.7
15 !Colby loam, 1 to 3 percent slopes '9 1111
16 Colby loam, 3 to 5 percent slopes "'
17 :Colon loam, 5 to 9 percent slopes 93°
18 ',Colby-Adena loams, 3 to 9 percent slopes 21,' 1 .0
19 : Colombo clay loam, 0 to 1 percent slopes I
y
20 ',Colombo clay loam, 1 to 3 percent slopes I 0,120
21 IDacono clay loam, 0 to ' percent slopes 10,96'
22 IDacono clay loam, 1 to 3 percent slopes 1 '07 ' _
23 :Fort Collins loam, 0 to 1 percent slopes nq
24 :Fort Collins loam, 1 to 3 percent slopes 2,500. '
25 :9averson loam, 0 to 1 percent slopes 1=,7o9
26 IHaverson loam, 1 to 3 percent slopes _
27 :Heldt silty clay, 1 to 3 percent slopes 70
28 Heldt silty clay, 3 to 5 percent slopes 140 *
29 :3ulesburg sandy loam, 0 to 1 percent slopes -
30 'Julesburg sandy loam, I to 3 percent slopes 2,04^ I
31 loam, 0 to 1 percent slopes
32 Kim loam, 1 to 3 percert slopes 47,971'
33 Kim loam, 3 to 5 percent slopes
34 !Kim loam, 5 to 9 percent slopes -
35 'il,ocp-Boel loamy sands, 0 to 3 percent slopes _
36 'nidway-Shingle complex, 5 to 20 percent slop_' -37 :Pelson fine sandy loam. 0 to 3 percent slopes _
38 !Nelson fine sandy loam, 3 to 9 percent slopes I
39 I'iunn loam, 0 to 1 percent slopes
4C :Nunn loam, 1 to 3 percent slopes 16,5"
41 '.Nunn clay loam, 0 to ' percent slopes I 1,00 ' •
42 :Nunn clay loam, to 3 percent slopes 1_,0'n'
43 !Nunn loamy sand, 0 to 1 percent slopes
44 nlnev loamy sand , 1 to 3 percent slope- °f'. -
45 Olney loamy sand, 3 to = percent slopes
46 7'_rer fine sandy loam, 0 to 1 percent slopes
47 11ney fine sandy loam, I to 3 percent slopes _
48 Clnee fine sandy loam. ? to 5 percent slopes 1
4 sgood sand, 0 to 3 pe ent slopes 1
50 ern sandy loam, 7 to 1 percent slopes '°�
51 - _-o sandy loam, ' to 3 percent slopes
__ sandy loam, 3 to 5 percent slopes 13,49 •
t s sandy loam, 5 to 9 percent slopes 2,°1 :
54 Paoli loam, 0 to I percent slope' 0C^ •
:saoli loam, - to i percent slopes o *
En '3,enorill clay ' -. 0 1 percent slopes loam
5eno6i11 clay loam, 3 to 9 percent slopes
Minnie loam, 1 8. 3 pe _t slopes
.-uncle loam, 3 to y ert slopes 1 ,11-
6 e-Renoht l complex. - to 9 percent slopes - '"!' LI
P1 ass_'_ fine ante am lo _ : 20 percent 'open 6,149''c
fine sand, loom. I to 3 percent slopes
6_ ▪ fine sotot loam, 3 t- ; percert slopes --
• onn .oam• ' to = percent
e a ord I! op, l to - eercent slopes
clay loan, to 3 nen ent slopes
68 lootao Torriorthenss, '.y to ,. -t
'nsle . . sand , 0 t0 I pe t o1_o . ..
Oolenl sand . t. po -nt slopes-- .. .
lee footnote at _t., of tall .
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WELD COUNTY, COLORADO, SOUTHERN PART 97
TABLE 5.--YIELDS PER ACRE OF IRRIGATED CROPS--Continued
soil name and Beans,
map symbol 1'Alfalfa hay1Sugar beets Corn Corn silage dry pinto Onions Potatoes
Ton Ton Bu Ton Lb Sack Cwt
24
5.5 23 160 33 2400 525 ---
Fort Collins
25
5.5 23 160 33 2400 --- ---
N averson
26 5.5 20 150 30 2400 --- ---
Haverson 4.5 20 --- 25 --- --- ---
27
Heldt
28 4.0 ---
--- 25 -_- --_ --_
9eldt
29 5.5 23 180 35 2400 525 350
Julesburg
30
5.5 23 160 33 2400 525 325
Julesburg
31 5.5 24 180 30 2700 550 350
Kim
32 5.5 23 160 30 2400 525 325
Kim
33 ❑.0 20 140 25 --
Kim
34- _ 3.0
__- 80 20 --- --- ---
2.5 --- ___ 25
1200 ---
35
oup
36 ___ ___
__ ___
4idway
4.0 21 120 30 2800 --- ---
}Nelson
38 3.0
--- 70 25 -_- __- ---
Nelson
39
5.5 24 180 35 2700 550 350
unn
5.5 23 160 33 2400 525 325
Nunn
a'.
5.5 24 180 35 2700 550 350
Nunn
42
5.5 23 160 33 2400 525 325
Nunn
43 5.0 20 150 30 2000 --- ---
Nunn
04
5.0 20 140 30 2400 525 325
Olney 45 3.5 I ---
80 20 --- __-
-_-
Olney 5,5 24 180 35 2700 550 350
I
Olney
See footnote at end of table.
g7lggl
98 SOIL SURVEY
TABLE 5.--YIELDS PER ACRE OF IRRIGATED CROPS--Continued
, 1 1 1 1 ,
Soil name and : 1 1 1 i Beans, 1 1
map symbol :Alfalfa hay:Sugar beets: Corn :Corn silage; dry pinto ; Onions : Potatoei4
1 1 : : 1 : ^
Ton ; Ton : Bu i Ton I Lb : Sack
1 1 1 , -� S•:
"
47 5.5 1 23 1 160 : 33 1 2400 1 525
1 1 ,
32S ::' •
1 1 1
Olney : '
1 1
I I 1 1 ;
48 1 4.0 : --- ; 100 : 25 1800 : --- : --- .fi•;
:j.
Olney 1
1
I
49 : 3.0 1 --- 1 80 1 20 --- --- : ,`
Osgood : : : y4
1
50 : 5.5 : 23 1 170 33 2400 : 525 1 325 ;x...
Otero I ' I .
1 1 1 •S'
51 I 5.0 : 22 1 150 1 30 1800 : 500 1 ___ 1:-7`
Otero : I I • • •
: • 1 i : i;
52 4.0 18 100 1 25 i --- i --- :
:4: ' -
Otero : ' I I ••,.
53 3.0 ' BO 1 20--- --- --- ---
,
Otero : I I : 0 : .,.
54 5.0 : 23 : 180 1 1 : --- t:;;t:-. .
35 2700 350 ?>
Paoli : 1 i 1
?;.a
55 1 5.0 23 1 160 : 33 2400 1 --- 325
Paoli 1 '%
1 1 I
1 •1 , 1
56 1 3.0 1 18 100 1 25 1 --- 1 --- --- `c
Renohi l l i 1 I I •Vii:,•
: ;
`
57 1 2.0 : --- : 80 : 20 1 --- --- --- y •--
Renohill I 1 '°1-"
58 : 2.0 1 --- --- : 17
{
Shingle I
59 1 --- 1 --- 1 --- --- : --- 1 ---
Shingle
;}•
, 1:
60 1
Shingle : 1 1 1 * '
, , 1
, I
_-- ' __-
Tassel ' . ; ;
1 1 I 1 • ''
1
62 : 4.0 : 20 1 120 1 30 : 2400 : --- --- 'l+v','
Terry I I I : 1
1 I 1
63 1 3.0 --- 70 1 25 : --- : --- --- : ,'.'
Terry : 1 1
I :
1 ,
, 1 f 1 1 1 1 ,,a
64 1 4.0 1 20 : 130 I 30 I 2400 1 --- --- t•;::.,
Thedalund ; 1 1 I 1
1 1
55 : 3.0 I --- 80 1 25 1 --- I --- --- =iy
Thedalund 1 1 I I I 1
1 1
1 160 1 33 : --- --- : --- `1`=
66 5.5 ---
, 1
Ulm ; ' ' `rT';a
'
i 100 : 25 --- i
67 : 4.0 ___ I --- 1
Ulm 1 ' 1 '
I I 1 ;
65" --- --- 1 --- : --- : --- -- --- 1,.:
•
ustic Torriorthents I I
69, 70 3.5 : 1 80 1 22 ---
Valent
1 I I ,
71
Valent '
: 1 :
See footnote at end of table.
',T
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WELD COUNTY, COLORADO, SOUTHERN PART 1O1
TABLE 6.--BUILDING SITE DEVELOPMENT--Continued
name and Shallow Dwellings Dwellings Small local roads
p symbol excavations without with commercial and streets
basements basements buildings_
19 Moderate: Severe: Severe: Severe: Severe:
Colombo floods. floods. floods. floods. floods.
20 Slight Moderate: Moderate: :Moderate: moderate:
Colombo low strength. low strength. low strength. low strength,
frost action.
21 , 22 Severe: Moderate: Slight Moderate: Severe:
Dacono cutbanks cave. low strength, low strength, shrink-swell,
shrink-swell. shrink-swell. low strength.
23, 24 Slight Moderate: Moderate: Moderate: moderate:
Fort Collins low strength. low strength, low strength. low strength.
shrink-swell.
25, 26 Severe: ;Severe: Severe: Severe: Severe:
Haverson floods. floods. floods. floods. floods.
27, 28 Severe: Severe: Severe: Severe: Severe:
Heldt too clayey. shrink-swell, shrink-swell, shrink-swell, shrink-swell,
low strength. low strength. low strength. low strength.
29, 30 Slight Moderate: Moderate: Moderate: Moderate:
Julesburg low strength. low strength. low strength. low strength,
frost action.
31 , 32 Slight Moderate: Moderate: Moderate: Moderate:
Kim low strength. low strength. low strength. low strength.
33, 34 Slight Moderate: Moderate: Moderate: Moderate:
Kim low strength. low strength. low strength, low strength.
slope.
35".
Loup Severe: Severe: Severe: Severe: Severe:
wetness, wetness, wetness, wetness, wetness.
cutbanks cave. floods. floods. floods.
Boel Severe: Severe: Severe: Severe: Severe:
wetness, wetness, wetness, wetness, wetness,
floods, floods. floods. floods. floods.
cutbanks cave.
36;:
Midway Severe: Severe: Severe: Severe: Severe:
too clayey. shrink-swell, shrink-swell, slope, shrink-swell ,
low strength. low strength. shrink-swell, low strength.
low strength.
Shingle Severe: Severe: Severe: Severe: Severe:
depth to rock. depth to rock. depth to rock. depth to rock, depth to rock.
slope.
37 Severe: Moderate: ;Severe: Moderate: Moderate:
Nelson depth to rock. depth to rock, ; depth to rock. depth to rock, depth to rock,
low strength. 1 low strength. low strength.
38 Severe: ;Moderate: I Severe: Moderate: Moderate:
Nelson depth to rock. 1 depth to rock, 1 depth to rock. slope, depth to rock,
I low strength. 1 depth to rock, low strength.
low strength.
39, 40, 41 , 42,
43 Moderate: Severe: ;Severe: ;Severe: Severe:
Nunn too clayey. shrink-swell, I shrink-swell, ; shrink-swell , shrink-swell ,
low strength. 1 low strength. 1 low strength. low strength.
e footnote at end of table.
gY ) gsI
102 SOIL SURVEY
i
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
_m-
44 Slight Slight Slight Slight Moderate:
Olney low strength.
45 Slight Slight Slight Moderate: Moderate:
Olney slope. low strength.
46, 47 'Slight Slight Slight Slight Moderate:
Olney low strength.
48 ;Slight Slight Slight Moderate: Moderate:
Olney slope. low strength.
49 Severe: Slight Slight Slight Slight.
Osgood cutbanks cave.
50, 51 Slight Slight Slight Slight Slight.
Otero
52, 53 ;Slight Sligh' Slight Moderate: Slight.
Otero slope.
54 ;Slight Severe: Severe: Severe: Moderate:
Paoli floods. floods. floods. low strength,
frost action.
55 Slight Slight Slight Slight Moderate: ^kW."
Paoli low strength,
frost action.
56 Moderate: ,Moderate: ;Moderate: Moderate: Severe:
Renohill depth to rock, low strength, low strength, low strength, low strength, 'b._'
too clayey. shrink-swell. depth to rock, shrink-swell. shrink-swell. .:�
shrink-swell.
57 Moderate: Moderate: Moderate: Moderate: Severe:
Renohill depth to rock, low strength, low strength, slope, low strength, ;f ,
too clayey. shrink-swell. depth to rock, low strength, shrink-swell.
shrink-swell. shrink-swell.
58, 59 Severe: Severe: Severe: Severe: Severe: 41
Shingle ' depth to rock. depth to rock. depth to rock. depth to rock. depth to rock.
DJ*
60*60*:
Shingle Severe: Severe: Severe: Severe: Severe:
depth to rock. depth to rock. 1 depth to rock. depth to rock. depth to rock. I
Renohill Moderate: Moderate: ;Moderate: Moderate: Sever :
' depth to rock, low strength, 1 low strength, slope, low f ngth,
too clayey. shrink-swell . 1 depth to rock, 1 low strength, shrlr swell.
shrink-swell. ; shrink-swell. '
61 ;Moderate: ;Moderate.: ;Moderate: Severe: Moderate: .k.
Tassel 1 depth to rock. ; depth to rock. 1 depth to rock. slope. depth to rock.
62 ;Severe: Moderate: Severe: Moderate: Moderate:
Terry depth to rock. , depth to rock. I depth to rock. depth to rock. depth to rock. .,,,
;t
63 Severe: Moderate: `overe: ;Moderate: Moderate:
Terry depth to rock. depth to rock. 1 depth to rock. ; depth to rock, depth to rock.
slope. "„fl
64 Moderate: ;Moderate: ;Moderate: ;moderate: Moderate:
Thedalund , depth to rock. ; low strength. 1 depth to rock. ' low strength. low strength. ,y
65 :Moderate: ;Moderate: Mod crate: ;Moderate: Moderate: ##
Thedalund 1 depth to rock. ; low strength. depth to rock. low strength, low strength. %3 '
slope.
See footnote at end of table. '"
gSl �q � -
-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
WELD COUNTY, COLORADO, SOUTHERN PART 105
TABLE 7.--SANITARY FACILITIES--Continued
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 percs 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.
Maverson floods. floods. floods. floods.
27, 28 Severe: Moderate: Severe: Slight Poor:
Heldt 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.
34 Slight Severe: Slight Slight Good.
Kim slope.
35*:
Lo• Severe: Severe: Severe: Severe: Poor:
wetness, wetness, wetness, wetness, wetness.
floods. seepage, floods, floods,
floods. seepage. seepage.
Sod Severe: Severe: Severe: Severe: Poor:
wetness, wetness, wetness, wetness, too sandy.
floods. seepage, floods, floods.
floods. seepage.
35*:
midway Severe: Severe: Severe: Moderate: Poor:
percs slowly, depth to rock, depth to rock, slope. too clayey,
depth to rock. slope. too clayey. thin layer.
Shingle Severe: Severe: Severe: Moderate: Severe:
depth to rock. slope, depth to rock. slope. thin layer.
depth to roc.<.
37, 38 Severe: Severe: Severe: Severe: Fair:
Nelson depth to rock. depth to rock, depth to rock, seepage. thin layer.
seepage. seepage.
39 Severe: Moderate: Il Slight Slight Fair:
Munn percs slowly. excess humus. too clayey.
40 :Severe: Moderate: Slight Slight Fair:
Nunn percs slowly. excess humus, ; too clayey.
slope.
41 Severe: Moderate: Slight Slight Fair:
Nunn percs slowly. excess humus. too clayey.
42 Severe: Moderate: Slight Slight :Fair:
Nunn ; percs slowly. excess humus, I too clayey.
slope.
footnote at end of table.
106 SOIL SURVEY
TABLE 7.--SANITARY FACILITIES--Continued
Soil name and 1 Septic tank Sewage lagoon Trench Area Daily cover
map symbol 1 absorption areas sanitary sanitary for landfill
fields landfill landfill
43 Severe: Moderate: Slight Slight Fair:
Nunn peres slowly. excess humus. too clayey.
44, 45, 46, 47, 48-- ,Slight Severe: ;Slight Slight Good.
Olney seepage.
49 ISligh' Severe: ;Severe: Severe: Fair:
Osgood seepage. I seepage. seepage. too sandy.
50, 51 , 52 ISlighk Severe: :Slight Slight Good.
Otero seepage.
'
53 ;Slight Severe: Slight Slight Good.
Otero slope,
seepage.
54 :Slight Severe: Severe: Severe: Good.
Paoli seepage. seepage. seepage.
55 :Slight Severe: Severe: Severe: Good.
Paoli seepage. seepage. seepage.
56, 57 Severe: Severe: Severe: Slight Fair:
Renohill pares slowly, depth to rock. 1 depth to rock. too clayey,
depth to rock. thin layer.
58, 59 Severe: Severe: Severe: Slight Poor:
Shingle I depth to rock. depth to rock. depth to rock. thin layer.
60*:
Shingle :Severe: Severe: Severe: Slight Poor:
depth to rock. ; depth to rock. depth to rock. thin layer.
Renohill Severe: ;Severe: :Severe: Slight Fair:
percs slowly, 1 depth to rock. I depth to rock. too clayey,
depth to rock. thin layer.
51 Severe: Severe: ;Severe: Severe: Poor:
Tassel depth to rock. depth to rock, 1 depth to rock, seepage. thin layer,
seepage, seepage. area reclaim.
slope.
6?, 63 Severe: Severe: Severe: Slight Fair:
Terry I depth to rock. depth to rock, depth to rock. thin layer ,
seepage. area reclaim.
64, 55 I Severe: Severe: Severe: Slight Fair:
Thedalund 1 depth to rock. depth to rock. depth to rock. thin layer.
56 !Severe: ISlight Moderate: Slight Poor:
Ulm ; peres slowly. too clayey. too clayey.
67 ;Severe: :Moderate: 'Moderate:. Slight Poor:
Ole 1 peres slowly. slope. too clayey. too clayey.
68* :Moderate: :Severe: :Severe: Severe: Poor:
Ustic Torriorthents', slope. see pa re, 1 seepage, seepage. too sandy,
small stones. too sandy. small stones.
59, 7r ',Slight , severe: :Severe: Severe: Poor:
Valent seepage. too sandy, seepage. too sandy.
seepage.
Valent ISlieht (Severe: ISevere: Severe: Poor:
I too sandy, seepaf,e. too sandy.
seepage.
aalp
See footnote at end of table.
G
,4..
glgigq
•
WELD COUNTY, COLORADO, SOUTHERN PART 109
TABLE 8.--CONSTRUCTION MATERIALS--Continued
Soil name and Roadfill Sand Gravel Topsoil
map symbol
29, 30 Fair: Poor: Unsuited Good.
Julesburg low strength, excess fines.
frost action.
31 , 32, 33, 34 Fair: Unsuited Unsuited Good.
Kim low strength.
35*:
Loup ',Poor: ',Fair: Unsuited: Poor:
wetness. ; excess fines. excess fines. wetness.
Boel Fair: Fair: Unsuited Fair:
wetness, excess fines. thin layer.
36*:
Midway Poor: Unsuited Unsuited Poor:
shrink-swell, too clayey.
low strength,
thin layer.
Shingle Poor: Unsuited Unsuited Poor:
thin layer. area reclaim.
37, 38 Poor: Unsuited Unsuited Good.
Nelson thin layer.
39, 40 Poor: Unsuited Unsuited Fair:
Nunn shrink-swell, thin layer.
low strength.
42 Poor: Unsuited Unsuited Fair:
,n shrink-swell, thin layer,
low strength, too clayey.
43 Poor: Unsuited Unsuited Poor:
Nunn shrink-swell , too sandy.
low strength.
44, 45 Fair: Poor: Unsuited Fair:
Olney low strength. excess fines. too sandy,
thin layer.
46, 47, 48 Fair: ;Poor: Unsuited Good.
Olney low strength. I excess fines.
49 Good ;Poor: Unsuited Poor:
Osgood ; excess fines. too sandy.
4
50, 51 , 52, 53 Good ;Poor: Unsuited Good.
Sa Otero 1 excess fines.
54, 55 Fair: :Unsuited Unsuited Good.
Paoli low strength,
frost action.
56, 57 Poor: :Unsuited Unsuited Poor:
Renohill low strength, thin layer.
thin layer .
58, 59 Poor: ;Unsuited Unsuited Poor:
Shingle I thin layer. area reclaim.
60*:
Shingle ;Poor: :Unsuited Unsuited Poor:
thin layer. area reclaim.
See footnote at end of table.
(lglggl
ll
112 SOIL SURVEY
TABLE 9.--WATER MANAGEMENT--Continued
—T —T
Soil name and Pond Embankments, Drainage Irrigation Terraces Grassed
map symbol reservoir dikes, and 1 and waterways
areas levees diversions _ _ __
20 Seepage Low strength, Floods, Slope, Erodes easily Erodes easily.
Colombo compressible. slope. erodes easily. -S.
21 , 22 Seepage Shrink-swell , Slope, Slow intake, Peres slowly--- Percs slowly.
Dacono seepage, peres slowly. slope.
piping.
23 Seepage Low strength--- Peres slowly--- Favorable Favorable Favorable. y�
Fort Collins ..a,
24 Slope, Low strength---;Slope, Slope Favorable Favorable.
Fort Collins seepage. 1 pesos slowly.
25 Seepage Low strength, ; Floods Floods ;Floods, Favorable.
Haverscn moressible, Piping.
I piping.
26 Seepage Low strength, Slope Slope ;Floods, 1Favorable. ,.a.
Haverson compressible, 1 piping.
piping.
27, 28 Slope Low strength, Percs slowly, Slope, :Peres slowly--- Peres slowly. s"1
Heldt shrink-swell. slope. percs slowly, :
slow intake.
29 Seepage Seepage, Favorable Droughty Soil blowing, Erodes easily. ✓ `'�
Julesburg piping, piping.
011
low strength.
Seepage, Seepage, Slope Droughty, Soil blowing, Erodes easily. e t
Lesburg slope. piping, slope, piping. '',
low strength. erodes easily. t`
31 Seepage, Piping, Favorable Favorable Slope, Slope.
Kim slope. low strength, piping. -'
hard to pack.
32, 33, 34 Seepage, Piping, Slope Slope Slope, Slope.
Kim slope. low strength, piping.
hard to pack. k .t
35*: r,h" ";4
Loup ;Seepage Seepage, Poor outlets, Wetness, Wetness Wetness.
piping. cutbanks cave. seepage. .;
k 'i
Boel Seepage Seepage, Wetness, Fast intake, Wetness, Wetness,
erodes easily, floods, seepage, too sandy. floods. ri '�
piping. poor outlets. wetness.
36": r.
'
Midway :Slope, Thin layer, Complex slope, Complex slope, Slope, Slope, ''} ..
I depth to rock, shrink-swell, depth to rock, rooting depth, depth to rock, pesos slowly,
1 seepage. low strength. excess salt. excess salt. poor outlets. excess salt
Shingle ;Slope, Low strength, Depth to rock, Slope, Slope, Slope, t
1 depth to rock. thin layer. slope. rooting depth. depth to rock. : rooting depth:
37 ;Depth to rock, Piping, Slope, Slope, Depth to rock ;Rooting depth
Nelson 1 seepage. thin layer, depth to rock. rooting depth.
low strength. ° t
38 ;Slope, ;Piping, Slope, Slope, Slope, ;Slope,
Nelson I depth to rock, ; thin layer, depth to rock. rooting depth. depth to rock. ) rooting depth
; seepage. ; low strength. tl'
39 ;Favorable Compressible, Percs slowly--- Percs slowly--- Percs slowly---:Favorable. b,,.
"unn shrink-swell,
hard to pack.
See footnote at end of table.
"
4 ,r
I
•
WELD COUNTY, COLORADO, SOUTHERN PART 113
TABLE 9.--WATER MANAGEMENT--Continued
_oil name and Pond Embankments, Drainage Irrigation Terraces Grassed
map symbol reservoir dikes, and and waterways
areas levees diversions
40 Favorable ;Compressible, Percs slowly, Peres slowly, Peres slowly--- Favorable.
Nunn shrink-swell, slope. slope.
hard to pack.
41 Favorable ;Compressible, Peres slowly--- Percs slowly--- Percs slowly--- Favorable.
Nunn shrink-swell,
hard to pack.
42 Favorable ;Compressible, Peres slowly, Peres slowly, Peres slowly--- Favorable.
Nunn shrink-swell, slope. slope. -
hard to pack.
43 Favorable Compressible, Peres slowly--- Peres slowly--- Peres slowly--- Favorable.
Nunn shrink-swell ,
hard to pack.
44 Seepage, Piping, Slope Soil blowing, Erodes easily, Erodes easily.
Olney slope. low strength. droughty. piping.
45 Seepage, Piping, Slope Soil blowing, Erodes easily, Erodes easily.
Olney slope. low strength. droughty, piping.
slope.
46 Seepage, Piping, Favorable Favorable Erodes easily, Erodes easily.
Olney slope. low strength. piping.
47, 43 Seepage, Piping, Slope Slope, Erodes easily, Erodes easily.
Olney slope . low strength. erodes easily. piping.
4o Seepage Piping Favorable Soil blowing--- Too sandy, Erodes easily.
od piping.
55 Seepage (Piping, Favorable Droughty Erodes easily, Erodes easily.
Otero seepage. piping.
51 , 52, 53 Seepage, Piping, Slope Slope, Erodes easily, Erodes easily.
Otero slope. seepage. erodes easily, ; piping.
droughty.
54 Seepage Piping, Favorable Favorable Piping Favorable.
Paoli ; low strength.
55 ;Seepage Piping, Slope Slope Piping Favorable.
Paoli low strength.
56 Depth to rock Low strength, Depth to rock, Rooting depth, Depth to rock, Rooting depth,
Renohill thin layer, percs slowly. slow intake. I percs slowly. percs slowly.
compressible.
57 Slope , Low strength, 'Slope, Slope, Depth to rock, Rooting depth,
5e'oh,i1 depth to rock. thin layer, ( depth to rock, rooting depth, ; percs slowly. percs slowly.
compressible. ; pesos slowly. slow intake.
58, 59 ;Slope , ,Low strength, Depth to rook, Slope, Depth to rook Rooting depth.
Shingle depth to rock. l thin layer. slope. rooting depth. ;
60 :
Shingle Slope, Low strength, Depth to rock, Slope, Depth to rock Rooting depth.
depth to rock. ) thin layer. slope. rooting depth.
Renohill Slope, Low strength, Slope, Slope, Depth to rock, Rooting depth,
depth to rock. ; thin layer , depth to rock, rooting depth, percs slowly. percs slowly.
compressible. percs slowly. slow intake.
51 Depth to rock, Erodes easily, Not needed Droughty, (Depth to rock, Rooting depth,
boscl I slope. thin layer. rooting depth. ; erodes easily. erodes easily.
Depth to rock, Piping, ;Slope, Slope, I Depth to rock, Rooting depth,
.i seepage. thin layer. 1 rooting depth. , rooting depth, ; piping, soil blowing.
I soil blowing. ; soil blowing.
See footnote at end of table.
gq ) glI
IS
E
zy WELD COUNTY, COLORADO, SOUTHERN PART 117
''- TABLE 10.--RECREATIONAL DEVELOPMENT--Continued
__ _
Soil name and Camp areas Picnic areas Playgrounds Paths and trails
b map symbol
a, r---_— ___ _ . .
18':
Adena Moderate: Moderate: Moderate: moderate:
percs slowly, dusty. dusty , dusty.
dusty. slope.
i.
[. 19 Severe: Moderate: Moderate: Slight.
Colombo floods. floods. floods.
20 Slight Slight Moderate: Slight.
Colombo slope.
21 Moderate: Moderate: Moderate: Moderate:
Dacono too clayey. too clayey. too clayey. too clayey.
22 Moderate: Moderate: Moderate: Moderate:
Dacono too clayey. too clayey. slope, too clayey.
too clayey.
23 Moderate: Moderate: Moderate: Moderate:
Fort Collins dusty. dusty. dusty. dusty.
24 Moderate: Moderate: Moderate: Moderate:
Fort Collins dusty. dusty. dusty, dusty.
slope.
25, 26 Severe: Moderate: Severe: Slight.
Haverson floods. floods. floods.
27, 28 Severe: Severe: Severe: Severe:
veldt too clayey. too clayey. too clayey. too clayey.
Slight Slight Slight Slight.
Julesburg
30 Slight Slight Moderate: Slight.
Julesburg slope.
31 Moderate: Moderate: Moderate: Moderate:
Kim dusty. dusty. dusty. dusty.
32, 33 Moderate: Moderate: Moderate: Moderate:
Kim dusty. dusty. slope, dusty.
dusty.
34 Moderate: Moderate: Severe: Moderate:
Kim dusty. dusty. slope. dusty.
35':
Loup Severe: Severe: Severe: Severe:
wetness, wetness. wetness. wetness.
floods.
Boel Severe: Moderate: Moderate: Moderate:
wetness, wetness, wetness, wetness,
floods. floods. floods. floods.
36':
Midway Severe: Severe: Severe: Severe:
too clayey, too clayey. slope, too clayey.
percs slowly. too clayey,
depth to rock.
Shingle Moderate: Moderate: Severe: :moderate:
too clayey. slope, slope, too clayey.
too clayey. depth to rock.
37 Slight Slight Slight (Slight.
eon
See footnote at end of table.
118 SOIL SURVEY
TABLE 10.--RECREATIONAL DEVELOPMENT--Continued
r----
Soil name and Camp areas Picnic areas Playgrounds Paths and trails
map symbol
35 Slight Slight Severe:
Slight.
P
Nelson
39 Moderate: Slight Moderate: Slight.
percs slowly.
Nunn percs slowly.
'Moderate: Slight Moderate: Slight.
40 percs slowly,
Nunn percs slowly. slope.
41 Moderate: Moderate: Moderate: Moderate:
Nunn percs slowly. too clayey. percs slowly. too clayey.
42 Moderate: Moderate: Moderate: Moderate:
Nunn percs slowly. too clayey. slops slowly, too clayey.
slope.
43 Moderate: Moderate: Moderate: Moderate:
Nunn percs slowly. too sandy. percs slowly. too sandy.
44, 45 Moderate: Moderate: Moderate: Moderate:
too sandy, too sandy, too sandy, too sandy,
Olney dusty. slope, dusty.
dusty. dusty.
46 Moderate: Moderate: Moderate: Moderate:
dust dusty. dusty. ' dusty.
Olney Y•
47, 49 Moderate: Moderate: Moderate: Moderate:
Olney I dusty. dusty. dusty, dusty.
slope.
49 Moderate:
Moderate: Severe: Moderate:
Osgood I too sandy. too sandy. too sandy. too sandy.
50 ISlight Slight Slight Slight.
Otero
51 , 52 Slight Slight Moderate: Slight.
slope.
Otero
53 Slight Slight Severe:
slope. Slight.
;
Otero
54 ISlight Slight Slight Slight.
Paoli
55 'Slight Slight Moderate: Slight.
slope.
Paoli
Moderate:; Moderate: Moderate:
;
55 Moderate: too clayey.
R enohill percs slowly, too clayey. too clayey,
percs slowly.
too clayey.
Moderate: ,Moderate: Severe: Moderate:
57 too clayey. slope. too clayey.
Reno'nill percs slowly,
too clayey.
58, 59 Moderate: Moderate: Severe: Moderate: ,
Shingle too clayey. too clayey. depth to rock. too clayey.
60*: �4
Shingl_ (Moderate: ;Moderate: Severe: Moderate:
'S
; too clayey. too clayey. slope, too clayey.
depth to rock. 'S
See footnote at end of table.
iS.
gig lggi
122 SOIL SURVEY
TABLE. 11 .--WILDLIFE HABITAT POTENTIALS--Continued
Potential for habitat elements Potential as habitat. for--
Soil name and --------- - -Wild
map symbol Grain 1 Grasses ; herba- ; Shrubs Wetland Shallow Openland ; Wetland Rangelani
and seed 1 and 1 ceous plants water wildlife :wildlife ',wildlife
crops** I lep&umes ; plarts
- 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 poor Fair.
Kim
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 :Very poor Fair.
Nelson
39, 40, 41 , 42, 43- Good Good Fair Fair Poor ',Very poor Good Very poor Fair.
Nunn
44, 45 Fair ;Good ;Fair Fair Poor Very poor Fair Very poor Fair.
Olney
46, 47 Good ;Good ;Fair Fair Poor Very poor Good Very poor Fair.
Olney
48 Fair ;Good ',Fair Fair Very poor Very poor Fair Very poor', Fair.
Olney
'9 Poor Fair ;Fair Fair Very poor Very poor Fair Very Door',Fair.
Osgood
50 Good Good ;Fair ;Fair Poor Very poor Good Very poor Fair.
Otero
51 , 52, 53 Fair Good :Fair ;Fair Very poor Very poor Fair Very poor Fair .
Otero
54, 55 Good Good ;Fair Fair Poor Very poor Good Very poor;Fair.
Paoli
56, 57 Fair Good ;Fair Fair Poor Very poor Fair Very poor; Fair.
Renohill
58, 59 Poor Poor ',Fair Fair Poor ,Very poor Poor ,Very poor', Fair .
Shingle
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 .
Tassel
62, 63 Fair ;Good Fair Fair Very poor Very poor Fair , Jere poor Fair.
Terry
64, 65 Fair Fair ;Fair Fair Very poor Very poor Fair ;Very poor',Fair.
Thedalund
66 Good Good I Fair Fair Poor Very poor Good ;Very poor', Fair.
Ulm
67 ',Fair ;Good ;Fair ;Fair Poor Very poor;Fair ',Very poor;Fair .
Ulm
See footnote at end of table.
R U 13 9 I
WELD COUNTY, COLORADO, SOUTHERN PART 125
TABLE 12.--ENGINEERING PROPERTIES AND CLASSIFICATIONS--Continued
Classification Frag- Percentage passing
>il name and Depthl USDA texture ments sieve number-- Liquid Plas-
map symbol Unified AASHTO > 3 limit ticity
inches 4 10 40 200 index
In--_ - Pct Pct
14, 15, 16, 17 0-7 Loam ICL-ML A-4 0 100 100 90-100 85-100 25-30 5-10
Colby 7-60 Silt loam, loam, CL-ML iA-4 0 100 100 90-100 85-100 25-30 5-10
very fine sandy
loam.
18*:
Colby 0-7 Loam CL-ML IA-4 3 100 100 90-100 85-100 25-30 5-10
7-60 Silt loam, loam, CL-ML IA-4 3 100 100 90-100 85-100 25-30 5-10
very fine sandy
loam.
Adena 0-6 Loam ML IA-4 0 100 100 90-100 70-90 20-30 NP-5
6-9 Clay, clay loam, CH, CL IA-6, A-7 0 100 100 95-100 80-90 35-60 15-35
silty clay
loam.
9-60 Loam, silt loam, ML IA-4 0 100 100 90-100 75-90 20-30 NP-5
very fine sandy
loam.
19, 20 0-14 Clay loam CL-ML A-4 0 95-100 80-100 75-90 50-70 25-30 5-10
Colombo 14-21 Clay loam, loam CL A-6 0 95-100 75-100 75-90 50-70 20-30 10-15
21-60 Stratified clay CL, CL-ML A-4, A-6 0-5 90-100 75-100 70-90 50-60 20-30 5-15
loam to sand.
21 , 22 0-12 Clay loam ICL, A-6, A-4 0 85-100 75-100 75-95 70-80 20-40 5-20
Dacono I CL-ML
12-21 Clay loam, clay, ICL A-6, A-7 0 75-100 60-100 55-95 50-85 35-45 15-20
gravelly clay
loam.
21-27 Sandy clay loam, CL, SC A-6 0 75-100 60-100 50-95 40-85 25-40 10-20
loam, silt
loam. --- NP
27-60 Very gravelly SP, GP A-1 0 35-80 5-50 5-40 0-5
sand.
23, 24 0-7 Loam CL-ML A-4 0 95-100 90-100 85-100 50-65 25-30 5-10
Fort Collins 7-11 Loam clay loam CL A-6 0 95-100 90-100 85-95 60-75 25-40 11-60 Loam, fine sandy CL, CL-ML A-4, A-6 0 95-100 90-100 80-95 50-75 25-35 15-25
5-15
loam.
25, 26 0-4 Loam ,ML, CL-ML,A-4 0 95-100 80-100 75-90 50-60 20-30 NP-10
Haverson 4-60 Stratified clay ML, CL-MLIA-4 0 95-100 75-100 75-90 50-60 20-30 NP-10
loam to sand.
27, 28 0-60 Silty clay CH, CL IA-7 0 95-100 95-100 95-100 75-95 45-55 25-35
Heldt
29, 30 e5
0-12 Sandy loam ISM, ML IA-2, A-4 0 '95-100 75-100 45-85 25-55 --- NP
J ail esbur e, 12-27 Fine sandy Loam, ',S+1, `^L IA-2, A-4 0 195-100 75-100 50-85 30-55 15-25 NP-
sandy loan. NP
'127-60 Sandy loan, IA-2, 0 195-100175-100 40-85 15-50 ---
loamy sand , A-4,
fine sand . A-1
31 , 37, 33, 34 0-12 Loam IML, Sr" A-0 0-5 180-100175-100 60-90 45-75 20-35 NP-5
Kim 10-60 Loam, clay loam '37 MI.' 9I, 1-4 A-6 0-5 180-100:75-100 0-5 140-100175-100 70-95 4-95 0-55 20-30 NP-55 25-40 5
40-60 Fine sandy 150nn�a '
35*:
0-16 Loamy sand :'M A-? 0 100 100 50-100 15-30 NP
Loup ___ NP
16-60 Loamy sand , sin ! '�P-°'x "4 A-', A-3 0 100 100 1 65-100 5-20
;m 'A-2 0 100 ' 100 85-95 20-35 --- NP
Reel 0-14 Loamy sand 100 100 85-95 0-25 --- NP
14-60 Fine sand, to mn,'I''P, -� ' A-2, A-3 0
fine sand ,
coarse sand. '
36*: "0-13 lay ':L, C4 A-7 0 100 101 90-100 80-95 45-60 20-35
Midway � --- --- ---
' 13 Weathered( -" --- ---
bedrock.
See footnote at end of table.
g gig 9I
126 SOIL SURVEY
TABLE 12.--ENGINEERING PROPERTIES AND CLASSIFICATIONS--Continued
Classification Frag- Percentage passing
Soil name and ;Depth USDA texture ments ; sieve number-- Liquid Plas-
map symbol Unified AASHTO > 3 limit ticity
_. inches 4 10 40 200 index
In Pct 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, 38 0-9 Fine sandy loam ML, SM A-4 0-5 75-100 75-100 70-90 45-60 --- NP
Nelson 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
1 sandy loam. CL-ML, A-b,
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
45 0-10 Loamy sand ;SM 1A-2 0 95-100 90-100 60-90 15-25 --- NP
.ney 110-20,Sandy clay loam ;SC, CL ;A-6 0 95-100 90-100 80-100 40-55 20-40 10-20
20-251Sandy loam, ;SC, ;A-4, A-6 0 95-100 95-100 75-95 35-55 20-35 5-15
1 sandy clay ; SM-SC,
loam, fine 1 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.
46, 47, 48 0-10 Fine sandy loam SM A-2 0 95-100 90-100 70-95 20-35 1 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 I CL,
I sandy loam. CL-ML
?5-601Fine sandy loam, SM IA-2 0 95-100 95-100 70-95 20-35 --- NP
1 loamy fine
sand.
49 0-221Sand SM ;A-2 0 100 100 65-80 15-30 --- NP
Osgood 22-34 :Sandy loam SM 1 A-2, A-4 0 100 100 60-80 30-40 --- NP
34-601Loamy sand , sand SM ;A-2 0 100 95-100 50-75 10-25 --- NP
50, 51 , 52, 53 0-121Sandy 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
1 sandy loam,
1 gravelly sandy
loam.
54, 55 0-20 Loam ML A-4 0 95-100 90-100 75-95 55-75 25-35 NP-5
Faoli 20-25.Fine sandy loam, SM A-4 0 80-100 80-100 60-85 35-50 i --- NP
I sandy loam.
25-60 :Fine sandy loam, SM A-2, A-4 0 75-100 75-100 55-85 ,30-50 ; --- NP
sandy loam.
The footnote at end of table.
9g ; xS1
0
130 SOIL SURVEY
TABLE 13.--PHYSICAL AND CHEMICAL PROPERTIES OF SOILS--Continued
I Risk of corrosion_I Erosion:Wind
Soil name and Depth; Permea- Available Soil ;Salinity Shrink- factors!erodi-
map symbol bility water reaction I swell :Uncoated ; Concrete ! bility
capacity potential 1 steel K ', T group
In In/hr In/in EH ',Mm hos/em ----
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 Lo'' 0 . '-'3I 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 4I.
6-181 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 <2 High High ',Low 0.28
29-60 0.2-2.0 0. 10-0. 18 7.4-8.4 <2 Moderate High ;Low 0.24
"3 0-9 2.0-6.0 0. 10-0. 14 6.6-7.8 <2 Low Moderate ;Law 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 !Low 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 <2 Low High :Low 10.24
25-60 2.0-6.0 0.06-0.13 7.9-8.4 <2 Low High ILow ;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 10.17
34-60 6.0-20 0.06-0.08 6.6-8.4 <2 Low Moderate Low 10. 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 10.20 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 I High ;High Low 10.3232 --- --- ---
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 10.16-0.21 7.9-9.0 <2 ;Moderate High Low '0.49
18 ---
See footnote at end of table.
132 SOIL SURVEY
TABLE 14.--SOIL AND WATER FEATURES
[Absence of an entry indicates the feature is not a concern. See text for descriptions of symbols and such
terms as "rare," "brief," and "perched." The symbol < means less than; > means greater than]
Flooding High water table Bedrock
Soil name and Hydro- Potential
map symbol logic Frequency Duration Months Depth Kind Months Depth Hard- frost
Eroup ness action
Ft In
1 , 2 B None --- --- >6.0 --- --- >60 --- Moderate.
Altvan
3*.
Aquolls D Frequent---- ;Brief----- Apr-Jun 0.5-1 .0 Apparent Apr-Jun >60 --- High.
Aquents D Frequent---- I Brief----- Apr-Jun 0.5-1 .0 Apparent Apr-Jun >60 --- High.
4*•
Aquolls D ',Frequent----;Brief----- Apr-Jun 0.5-1.5 Apparent Apr-Jun >60 --- High.
Aquepts D Frequent----1 Brief----- Apr-Jun 0.5-1 .5 Apparent Apr-Jun >60 --- High.
5, 6, 7, 8, 9 B None --- --- >6.0 --- -_- >60 --- Moderate.
Ascalon
10 A Frequent---- Brief----- Mar-Jun >6.0 --- --- >60 --- Low.
Bankard
11 , 12 B None --- --- >6.0 --- --- >60 --- Moderate.
Bresser
13 A None --- --- >6.0 --- --- >60 --- Low.
Ca sc a jo
14, 15, 16, 17---- B None --- --- >6.0 --- --- >60 --- Low.
Colby
18*:
Colby B None --- --- >6.0 --- --- >60 --- Low.
Adena C None --- --- >6.0 --- --- >60 --- Low.
19, 20 B Rare --- --- >6.0 --- , --- >60 --- Moderate.
Colombo
21 , 22 C None --- --- >6.0 --- --- >60 --- Low.
Dacono
23, 24 a None to rare --- --- >6.0 --- --- >60 --- Low.
Fort Collins
25, 26 B Rare to Brief May-Sep >6.0 --- --- >60 --- Low.
Haverson common.
27, 28 C None --- --- >6.0 --- --- >60 --- Low.
Heldt
29, 30 A None --- --- >6.0 --- --- >60 --- Moderate.
Julesburg
31 , 32, 33, 34----I B None I --- --- >6.0 --- --- >60 --- Low.
Kim
95*:
Loup D Rare to I Brief ;Mar-Jun',+.5-1.5 Apparent';Nov-May >60 --- Moderate.
common.
Boel A Occasional Srlef ;Mar-Jun; 1 .5-3.5 Apparent',Nov-Hay >60 --- Moderate.
36*:
Midway D ',None -- --- I >6.0 --- --- ,10-20 Rip- Low.
pable
See footnote at end of table.
1
WELD COUNTY, COLORADO, SOUTHERN PART 133
TABLE 14.--SOIL AND WATER FEATURES--Continued
Flooding High water table Bedrock
il name and Hydro- Potential
map symbol logic Frequency Duration Months Depth Kind Months Depth Hard- frost
group ness action _
Ft In
36R:
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
`1.ngle D None --- --- >6.0 --- --- 10-20 Rip- Low.
pable
Renohill C None --- --- >6.0 --- --- 20-40 Rip- Low.
pable
61 D None --- --- >6.0 --- --- 10-20 Rip- Lcw.
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 pable1
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 --- --- 1 >60 --- 1Low.
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 --- --- >60 --- ILow.
---
Vona
See footnote at end of table.
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