HomeMy WebLinkAbout990544.tiff ' 1.•:' ' COUNTY, COLORADO, SOUTHERN PAR'.
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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
i
'red to this soil. Cultivation to control competing and needleandthread, are also present. Potential produc-
etation should be continued for as many years as tion ranges from 1,600 pounds per acre in favorable years
possible following planting. Trees that are best suited and to 1,000 pounds in unfavorable years. As range condition
have 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- grams, 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
vegetation should be continued for as many years as
community sewage systems should be provided if the
possible following planting. Trees that are best suited and
population density increases. Because of the permeability
have good survival are Rocky Mountain juniper, eastern
of the substratum, sewage lagoons must be sealed.
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
pheasant and mourning dove. Many nongame species can
deposit and parent sediment from a wide variety of
' 'rock. Included in mapping are small areas of soils that be attracted by establishing areas for nesting and escape
loamy sand underlying material. cover. For pheasants, undisturbed nesting cover is essen-
.ypically the surface layer is brown and pale brown tial and should be included in plans for habitat develop-
about 12 inches thick. The ment, especially in areas of intensive agriculture. Range-
loam upper 28 inches of the un- land wildlife, for example, the pronghorn antelope, can be
derlying 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.
Permeability is moderate. Available water capacity is managing livestock grazing, and reseeding where needed.
high. The effective rooting depth is 60 inches or more. This msoil t.h I grea po population otial for urban w and recreational
the suvey
Surface runoff is medium, and the erosion hazard is low. area a has r s Increased inincreased growth in t survey
In irrigated areas this soil is suited to all crops com- ie has resulted in reurbande homesite l construction.ind. The
moral chief limiting soil feature for development and road
y 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-
1 age are needed to control soil blowing and water erosion. derlying material is pale brown loam. The lower part to a
T -ing also may be needed to control water erosion. depth of 60 inches is pale brown fine sandy loam.
EXHIBIT
990544 1 699
•
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 jt 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 corn- 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 moistuee 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
1 Altvan loam, 0 to 1 percent slopes 19,740 1 .7
2 Altvan loam, 1 to 3 percent slopes 2, 140 0.2
3 Aquolls and Aquents, gravelly substratum 34,030 3.0
4 Aquolls and Aquepts, flooded 22,530 7.0
5 Ascalon sandy loam, 1 to 3 percent slopes 12,280 1 .1
6 Ascalon sandy loam, 3 to 5 percent slopes 5,452 0.7
7 Ascalon sandy loam, 5 to 9 percent slopes 640 0. 1
8 Ascalon loam, 0 to 1 percent slopes •
84,290 0.4
9 Ascalon loam, 1 to 3 percent slopes 960 0. 1
10 Bankard sandy loam, 0 to 3 percent slopes 19,980 ' .7
11 Bresser sandy loam, 0 to 1 percent slopes 1,620 0. 1
12 Bresser sandy loam, 1 to 3 percent slopes 1 ,220 0. 1
13 Cascajo gravelly sandy loam, 5 to 20 percent slopes 1 ,830 0.2
14 Colby loam, 0 to 1 percent slopes 7,748 0.7
15 Colby loam, 1 to 3 percent slopes 19,310 1 .17
16 Colby loam, 3 to 5 percent slopes 7,220
17 Colby loam, 5 to 9 percent slopes 3,930
18 Colby-Adena loans, 3 to 9 percent slopes 21 ,060 1 ,g
19 Colombo clay loam, 0 to 1 percent slopes 9,110 0.8
20 'Colombo clay loam, 1 to 3 percent slopes 1 4, 120 C.4
21 Dacono clay loam, 0 to 1 percent slopes 10,960
22 Dacono clay loam, 1 to 3 percent slopes 1 ,300 0. 1
23 Fort Collins loam, 0 to 1 percent slopes 880 (}. 1
24 Fort Collins loam, 1 to 3 percent slopes 2,540 '7. ?
25 Haverson loam, 0 to 1 percent slopes 10,990 0.9
26 Haverson loam, 1 to 3 percent slopes 9,29'
27 Heldt silty clay, 1 to 3 percent slopes 2, 170 '
28 Heldt silty clay, 3 to 5 percent slopes 140 w
29 Julesburg sandy loam, 0 to 1 percent slopes 5,920 I 0.6
30 Julesburg sandy loam, 1 to 3 percent slopes 2,041
31 Kim loam, 0 to 1 percent slopes c 15. .
32 Kim loam, 1 to 3 percent slopes
33 Kim loam, 3 to 5 percent slopes
34 Kim loam, 5 to 9 percent slopes 5,250 ' -
35 Loup-Boel loamy sands, 0 to 3 percent slopes
36 Midway-Shingle complex, 5 to 20 percent slopes 1,630 -
37 Nelson fine sandy loam, 0 to 3 percent slopes 3„2'
38 Nelson fine sandy loam, 3 to 9 percent slopes 6,210 1.C
v4
39 Nunn loam, 0 to 1 percent slopes
40 Nunn loam, 1 to 3 percent slopes 16,520
41 Nunn clay loam, 0 to 1 percent slopes 25,900 1 .3
42 Nunn clay loam, 1 to 3 percent slopes 18,94'
43 Nuhn loamy sand, 0 to 1 percent slopes ' 3"
44 Olney loamy sand, 1 to 3 percent slopes 13,950
45 Olney loamy sand, 3 to 5 percent slopes ,333
46 Olney fine sandy loam, 0 to 1 percent slopes 4,730 i -
47 Olney fine sandy loam, 1 to 3 percent slopes P8,300
48 Y2Iney fine sandy loam. 3 to 5 percent slopes 15,040
49 :Osgood sand, 0 to 3 percent slopes 3°., 107 . "
50 'Otero sandy loam, 0 to 1 14, 1O _-
percent slopes
51 Otero sandy loam, 1 to 3 percent slopes 30,97
52 ',Otero sandy loam, 3 to 5 percent slopes 13,44^,
53 :Otero sandy loam, 5 to 9 percent slopes 6,710
54 :Paoli loam, 0 to 1 percent slopes 600
55 :Paoli loam, 1 to 3 percent slopes 250 "
56 1Penohill clay loam, 0 to 3 percent slopes 1•,020
57 IRenohill clay loam, 3 to 9 percent slopes 9,460
58 'Shingle loam, 1 to 3 percent slopes 1 ,540 . 1
59 -ningle -foam, 3 co 9 percent slopes 1 , 162
60 :Shingle-Renohill complex: , 3 to 9 percent slopes "' 000 1
61 'Tassel fine sandy loam, S to 20 percent slopes 6, 147 :
62 Terry fine sandy loam. C to 3 percent slopes 09
63 'Terry fine sandy loam. 3 to 9 percent slopes 5,307 : _
54 Tnesalund loam. 1 to percent slopes .59'
65 :Thedalund loam, ? Ls ' percent slopes 3,60_0 '
66 clay loam, 0 to 3 percent slopes ' 1 ' .4
6? ;Ulm slay loam. 3 to `_ percent slopes
68 7stic Torriorthents, m_.erately steep •
69 sand, 0 to 3 percent slopes 44-
_
72 :Val ent sand , 3 to 9 oPr-ent slopes
See footnote at end of tool ..
9 c/if
•
WELD COUNTY, COLORADO, SOUTHERN PART 97
I;
TABLE 5.--YIELDS PER ACRE OF IRRIGATED CROPS--Continued
Soil name and Beans,
map symbol Alfalfa hay Sugar beets; Corn Corn silage dry pinto Onions Potatoes
Ton Ton Bu Ton Lb Sack Cwt
,4 5.5 23 160 33 2400 525 ---
Fort Collins
,5 5.5 23 160 33 2400 --- ---
laverson
>6 5.5 20 150 30 2400 -__ ___
Haverson --- 25
'7
4.5 20 _-_ ___ ___
Heldt '
4.0 ___ 25 ___ ___ ___
1eldt
'9 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
4.0 I 20 140 25 ___ ___ ---
Kim
3.0
__- 80 20 --- . ___ _--
35 2.5 ___ 25 1200 ___ __-
Loup
__ ___ ---
Midway
;7 4.0 21 120 30 2400 --- ---
Nelson '
33 3.0
___ 70 25 ___ ___ ---
Nelson
39 5.5 24 180 35 2700 550 350
Nunn
u7 5.5 23 160 33 2400 525 325
Nunn
41 5.5 24 180 35 2700 550 350
I unn
'42 5.5 23 160 33 2400 525 325
Nunn
43 5.0 20 150 30 2000 --- ---
Nunn a
,,,I 5.0 20 140 30 2400 525 325
Olney
20-__ 80 --- ---
�5 3.5 '--
ev
5.5 24 180 35 2700 550 350
ley
See footnote at end of table.
990 5W
•
•
98 SOIL SURVEY
TABLE 5.--YIELDS PER ACRE OF IRRIGATED CROPS--Continued
Soil name and Beans, 4
map symbol Alfalfa hay Sugar beets Corn Corn silage dry pinto Onions Potato!
Ton Ton Bu Ton Lb Sack v
47 5.5 23 160 33 2400 525 32
Olney
48 4.0 --- 100 25 1800 ___
Olney -.-R
49 3.0 --- 80 20 ___ __- -'
Osgood
50 5.5 23 170 33 2400 525 32'
Otero
51 5.0 22 150 30 1800 500 __
Otero
52 4.0 18 100 25 --- ---
Otero
53 3.0 --- 80 20 --- --- ___
Otero
54 5.0 23 180 35 2700 --- 350:,
Paoli
55 5.0 23 160 33 2400 --- 325 '
Paoli
55 3.0 18 100 25 --- --- --
Renohill
57 2.0 --- 80 20 --- --- _
Renohill
59 2.0 --- --- 17 --- --- --- a
Shingle
59 --- --- --- --- --- --- ---
Shingle
60 ___ _-_ --- ___ ___ ___ -__
Shingle
61 --- --- --- ___ • ___ ___ ---
Tassel
62 4.0 20 120 30 2400 --- ---
Terry
63 3.0 --- 70 25 --- ___ ---
Terry
64 4.0 20 130 30 2400 --- ---
Thedalund
55 3.0
--- 80 25 --- --- ---
Thedalund
66 5.5 --- 160 33 --- --- ---
Ulm
s 4.0 --- 100 25 --- ---
67 ---
Ulm
68•• --- --- ___ ___ -__ ___
Ustic Torriorthents
-69, 70 3.5 --- 22 --80 --- --- •
Valent
71 ___ __- ___ ___ ___ _-_
Valent
See footnote at end of table.
WELD COUNTY, COLORADO, SOUTHERN PART 101
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 __
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,
I 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:
low strength. low strength. low strength, I 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. low strength. low strength.
38 Severe: Moderate: Severe: Moderate: Moderate:
Nelson death to rock. depth to rock, depth to rock. slope, depth to rock,
low strength. depth to rock, low strength.
low strength.
39, 40, 41 , 42,
43 Moderate: Severe: Severe: Severe: ,Severe:
Nunn too clayey. shrink-swell, shrink-swell, shrink-swell, : shrink-swell,
low strength. low strength. low strength. low strength.
me footnote at end of table.
99 `a` V
102 SOIL SURVEY
TABLE 6.--BUILDING SITE DEVELOPMENT--Continued
T -
Soil name and Shallow Dwellings Dwellings Small Local roads
map symbol excavations without with commercial 1 and streets
basements basements buildings
•
44 Slight Slight Slight Slight ;Moderate:
Olney ; low strength.
45 Slight Slight Slight Moderate: Moderate:
Olney slope. low strength. ;
C
Y.
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. 11
50, 51 Slight Slight Slight Slight Slight.
Otero
52, 53 Slight Slight Slight Moderate: Slight. '�,c
Otero slope.
54 Slight Severe: Severe: Severe: Moderate:
Paoli floods. floods, floods. low strength,
frost action.
55 Slight Slight Slight Slight Moderate:
Paoli low strength,
frost action.
56 Moderate: Moderate: Moderate: Moderate: Severe:
Renohill depth to rock, low strength, low strength, low strength, low strength,
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,
too clayey. shrink-swell. depth to rock, low'strength, shrink-swell.
shrink-swell, shrink-swell.
58, 59 Severe: Severe: - Severe: Severe: Severe:
Shingle depth to rock. depth to rock. depth to rock. depth to rock. depth to rock.
60':
Shingle Severe: Severe: Severe: Severe: Severe:
depth to rock. depth.to rock, depth to rock, depth to rock. depth to rock.
Renohill Moderate: Moderate: Moderate: Moderate: Sever!:
depth to rock, low strength, low strength, slope, low ! -'ngth,
too clayey. shrink-swell, depth to rock, low strength, shrir .-swell.
shrink-swell, shrink-swell.
61 Moderate: Moderate: Moderate: Severe: Moderate:
Tassel depth to rock. depth to rock. depth to rock. slope. depth to rock.
62 Severe: Moderate: Severe: Moderate: Moderate:
Terry depth to rock. depth to rock. depth to rock. depth to rock. depth to rock.
63 Severe: :Moderate: Severe: moderate: Moderate:
Terry .0 depth to rock. 1 depth to rock. depth to rock, depth to rock, depth to rock.
slope.
64 Moderate: Moderate: Moderate: Moderate: Moderate:
Thedalund depth to rock. low strength. depth to rock. low strength. low strength.
65 Moderate: Moderate: Moderate: Moderate: Moderate:
Thedalund depth to rock. low strength. depth to rock. low strength, low strength.
slope.
See footnote at end of table.
WELD COUNTY, COLORADO, SOUTHERN PART 105
TABLE 7.--SANITARY FACILITIES--Continued
Soil name and Septic tank Sewage lagoon I 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.
Haverson 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.
<im seepage.
32, 33 Slight Moderate: Slight Slight Good.
<im seepage,
slope.
3+1 Slight Severe: Slight Slight Good.
'.im slope.
]c
Severe: Severe: Severe: Severe: Poor:
wetness, wetness, wetness, wetness, wetness.
floods. seepage, floods, floods,
floods. seepage. seepage.
Boel Severe: Severe: Severe: Severe: Poor:
wetness, wetness, wetness, wetness, too sandy.
floods. seepage, floods, floods.
floods. seepage.
lidway 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 rock.
1', 38 Severe: Severe: Severe: Severe: Fair:
Nelson depth to rock. depth to rock, depth to rock, seepage. thin layer.
seepage. seepage.
i9 Severe: Moderate: Slight Slight Fair:
Nunn percs slowly. excess humus. too clayey.
49 Severe: Moderate: Slight Slight Fair:
Nunn percs slowly. , excess humus, too clayey.
a 1 slope.
.I Severe: :Moderate: Slight Slight Fair:
Nunn percs slowly. ; excess humus. too clayey.
+2 Severe: :Moderate: Slight Slight Fair:
^I percs slowly. I excess humus, too clayey.
slope.
See footnote at end of table.
C29lj`7/1/
106 SOIL SURVEY
TABLE 7.--SANITARY FACILITIES--Continued
Soil name and Septic tank Sewage lagoon Trench Area Daily cover
map symbol absorption areas sanitary sanitary for landfill
fields landfill landfill
43 Severe: Moderate: Slight Slight Fair:
Nunn percs slowly. excess humus. too clayey.
44, 45, 46, 47, 48--Slight Severe: Slight Slight Good.
Olney seepage.
49 Slight Severe: Severe: Severe: Fair:
Osgood seepage. seepage. seepage. too sandy.
50, 51 , 52 Slight Severe: Slight Slight Good.
Otero seepage.
53 Slight Severe: Slight Slight Good.
Otero slope,
seepage.
54 Sligh' 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 percs slowly, depth to rock. depth to rock. too clayey,
depth to rock. thin layer.
58, 59 Severe: Severe: Severe: Slight Poor:
Shingle depth to rock. depth to rock. depth to rock. thin layer.
60r:
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, depth to rock. depth to rock. too clayey,
depth to rock. thin layer.
51 Severe: Severe: Severe: Severe: Poor:
Tassel depth to rock. depth to rock, depth to rock, seepage. thin layer,
seepage, seepage. area reclaim.
slope.
6?, 63 Severe: Severe: Severe: Slight Fair:
Terry depth to rock. depth to rock, depth to rock. thin layer,
seepage. area reclaim.
64, 55 Severe: Severe: Severe: Slight Fair:
Thedalund depth to rock. depth to rock. depth to rock. thin layer.
66 Severe: Slight Moderate: Slight Poor:
Ulm percs slowly. too clayey. too clayey.
67 Severe: Moderate: Moderate:. Slight Poor:
Ulm percs slowly. slope. too clayey. too clayey.
68* Moderate: Severe: Severe: Severe: Poor:
Ustic Torriorthents slope. seepage, seepage, seepage. too sandy,
small stones. too sandy. - small stones.
69, 70 - Slight Severe: Severe: Severe: Poor:
Valent seepage. too sandy, seepage. too sandy.
seepage.
71' :
Valent Slight Severe: Severe: Severe: Poor:
seepae. too sandy, seepage. too sandy.
seepage.
See footnote at end of table.
99D0-4,17
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:
i 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:
1 Nunn shrink-swell, thin layer.
4 low strength.
C
42 Poor: Unsuited Unsuited Fair:
_v .ann 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. excess fines.
49 Good Poor: Unsuited Poor:
Osgood excess fines. too sandy.
50, 51, 52, 53 Good Poor: Unsuited Good.
Otero excess fines.
54, 55 Fair: Unsuited Unsuited Good.
Paoli low strength,
frost action.
56, 57 Poor: Unsuited Unsuited Poor:
Renohill low strength, thin layer.
. a thin layer.
58, 59 Poor: Unsuited Unsuited Poor:
Shingle thin layer. area reclaim.
60':
"+ingle Poor: Unsuited Unsuited Poor:
thin layer. area reclaim.
See footnote at end of table.
•
'12 SOIL SURVEY - 8-''
TABLE 9.--HATER MANAGEMENT--Continued
Soil name and Pond Embankments, Drainage Irrigation Terraces Grassed �".+�
map symbol reservoir dikes, and and waterways '!
areas levees diversions 4-, � L
20 Seepage Low strength, Floods, Slope, Erodes easily Erodes easily.F
Colombo compressible. slope. erodes easily.
21 , 22 Seepage Shrink-swell, Slope, Slow intake, Peres slowly--- Peres slowly,
Dacono seepage, percs slowly. slope.
piping.
23 Seepage Low strength--- Peres slowly--- Favorable Favorable Favorable. -
Fort Collins 1'
24 Slope, Low strength--- Slope, Slope Favorable Favorable, fT"
Fort Collins seepage. percs slowly.
25 Seepage Low strength, Floods Floods Floods, Favorable.
Haverson compressible, piping.
piping. ' F :.
26 Seepage Low strength, Slope Slope Floods, Favorable.
Haverson compressible, I piping. -.
piping.
27, 28 Slole Low strength, Peres slowly, Slope, Peres slowly--- Peres slowly.
Heldt - shrink-swell. slope. percs slowly,
slow intake.
29 Seepage Seepage, Favorable Droughty Soil blowing, Erodes easily.' .
Julesburg piping, piping.
low strength.
Seepage, Seepage, Slope Droughty, Soil blowing, Erodes easily: "
4lesburg slope. piping, slope, piping.
low strength. erodes easily.
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.
35•:
Loup Seepage Seepage, Poor outlets, Wetness, Wetness Wetness.
piping. cutbanks cave. seepage.
Boel Seepage Seepage, Wetness, Fast intake, Wetness, Wetness,
erodes easily, floods, seepage, too sandy. floods.
piping. poor outlets. wetness.
36•:
Midway Slope, Thin layer, Complex slope, Complex slope, Slope, Slope,
depth to rock, shrink-swell, depth to rock, rooting depth, depth to rock, percs slowly,,
seepage. low strength. excess salt. excess salt. poor outlets. excess salt:
Shingle Slope, Low strength, Depth to rock, Slope, Slope, Slope, " �
depth to rock. thin layer. slope. rooting depth. depth to rock. ; rooting dept
37 t7epth to rock, Piping, Slope, Slope, Depth to rock Rooting depth
Nelson seepage. thin layer, depth to rock. rooting depth.
low strength.
38 Slope, Piping, Slope, Slope, Slope, Slope,
Nelson depth to rock, thin layer, depth to rock. rooting depth. depth to rock. rooting dept'
seepage. low strength.
Favorable Compressible, Peres slowly--- Peres slowly--- Peres slowly--- Favorable.
Nunn shrink-swell, ft
hard to pack.
See footnote at end of table. 9e2 Veil
WELD COUNTY, COLORADO, SOUTHERN PART
113
TABLE 9.--MATER MANAGEMENT--Continued
Soil name and Pond Embankments, Drainage Irrigation Terraces Grassed
map symbol reservoir dikes, and and waterways
areas levees diversions
40 Favorable Compressible, Peres slowly, Percs slowly, Peres slowly--- Favorable.
Nunn shrink-swell, slope. slope.
hard to pack.
41 Favorable Compressible, Peres slowly--- Peres slowly--- Peres 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--- Percs 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, 48 Seepage, Piping, Slope Slope, Erodes easily, Erodes easily.
Olney slope. low strength. erodes easily. piping.
Seepage Piping Favorable Soil blowing--- Too sandy, Erodes easily.
,od piping.
50 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. percs slowly. percs slowly.
compressible.
57 Slope, Low strength, Slope, Slope, Depth to rock, Rooting depth,
Renohill depth to rock. thin layer, depth to rock, rooting depth, percs slowly. peres slowly.
compressible. percs slowly. slow intake.
58, 59 Slope, Low strength, Depth to rock, Slope, Depth to rock Rooting depth.
Shingle depth to rock. thin layer, slope. rooting depth.
6Ok:
Shingle ;Slppe, 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.
;Depth to rock, Erodes easily, Not needed Droughty, Depth to rock, Rooting depth,
sel ; slope. Chin layer. rooting depth. erodes easily. erodes easily.
;Depth to rock, Piping, Slope, Slope, Depth to rock, Rooting depth,
Terry ; seepage. thin layer. rooting depth. rooting depth, piping, soil blowing.
soil blowing. soil blowing.
See footnote at end of table.
rte-. .
1
F- WELD UN COTY, COLORADO, SOUTHERN PART 117
TABLE 10.--RECREATIONAL DEVELOPMENT--Continued
•
__
Soil name and Camp areas Picnic areas Playgrounds Paths and Grails
map symbol ,
18':
Adena Moderate: Moderate: ,Moderate: Moderate:
peres slowly, dusty. dusty, dusty.
dusty. slope.
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.
'7, 28 Severe: Severe: Severe: Severe:
`dt 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 wt.. 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.
Slight Slight ;Slight :Slight.
elson
See footnote at end of table.
•
118 SOIL SURVEY
TABLE 10.--RECREATIONAL DEVELOPMENT--Continued
Soil name and Camp areas Picnic areas Playgrounds Paths and trails
map symbol
39 Slight Slight Severe: Slight.
Nelson slope.
39 Moderate: Slight Moderate: Slight.
Nunn percs slowly. peres slowly.
40 Moderate: Slight Moderate: Slight.
Nunn peres slowly. percs slowly,
slope.
41 Moderate: Moderate: Moderate: Moderate:
Nunn percs slowly. too clayey. peres slowly. too clayey.
42 Moderate: Moderate: Moderate: Moderate:
tlunn percs slowly. too clayey. peres slowly, too clayey.
slope.
43 Moderate: Moderate: Moderate: Moderate:
Nunn peres slowly. too sandy. percs slowly. too sandy.
44, 45 Moderate: Moderate: Moderate: Moderate:
Olney too sandy, too sandy, too sandy, too sandy,
dusty. dusty. slope, dusty.
dusty.
•
46 Moderate: Moderate: Moderate: Moderate:
Olney dusty. dusty. dusty. - dusty.
47, 4S Moderate: Moderate: Moderate: Moderate:
Olney dusty. dusty. dusty, dusty.
slope.
49 Moderate: Moderate: Severe: Moderate:
Osgood too sandy. too sandy. too sandy. too sandy.
50 Slight Slight - Slight Slight.
Otero
51, 52 Slight Slight Moderate: Slight.
Otero slope.
53 Slight Slight Severe: Slight.
Otero slope.
54 Slight Slight Slight Slight.
Paoli
55 Slight Slight Moderate: Slight.
Paoli slope.
56 Moderate: Moderate: Moderate: Moderate:
Renohill percs slowly, too clayey. too clayey, too clayey.
too clayey. percs slowly.
57 Moderate: Moderate: Severe: Moderate:
Renohill ' percs slowly, too clayey. slope. too clayey.
too clayey.
58, 59 y- Moderate: Moderate: Severe: Moderate:
Shingle too clayey. too clayey. depth to rock. too clayey.
BO':
Shingle Moderate: Moderate: Severe: Moderate:
too clayey. too clayey. slope, too clayey.
depth to rock.
See footnote at end of table. •
9 Wy
•
122 SOIL SURVEY
TABLE 11.--WILDLIFE HABITAT POTENTIALS--Continued
Potential for habitat elements Potential as habitatt (or Soil name and Wild -- - r-----,- _—
map symbol Grain Grasses herba- Shrubs Wetland Shallow Openland Wetland Rann and seed and ceouslino
crops** legumes plants plants areas water wildlife wildlife wildlife
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 Ver
Nunn y poor Fair.
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 y poor Fair.
48 Fair Good Fair Fair Ver
Olney y 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 y poor Fair.
54, 55 Good Good Fair Fair Poor ;Very poor Good .Very y poor Fair.
56, 57 Fair Good Fair Fair 'Poor ;Very poor Fair ;Very y poor Fair.
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 Ver
Tassel y poor Very poor Poor ;Very poor Poor.
62, 63 Fair Good Fair Fair Very poor,Very poor Fair ;Very
Terry ,• y poor Fair.
64, 65 Fair Fair Fair Fair Very, p ;Very poor Fair Very Thedalund poor y poor Fair.
66 Good Good Fair Fair Poor Very poor Good Very y poor Fair.
I Fair Good Fair ,Fair Poor Very poor;Fair Very poor Fair.
See footnote at end of table.
9966W
WELD COUNTY, COLORADO, SOUTHERN PART 125
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 Pet Pct
14, 15, 16, 17 0-7 Loam CL-ML A-4 0 100 100 90-100 85-100; 25-30 5-10
Colby 7-60 Silt loam, loam, CL-ML A-4 0 100 100 90-100 85-100; 25-30 5-10
very fine sandy
loam.
18':
Colby 0-7 ;Loam CL-ML A-4 0 100 100 90-100 85-100; 25-30 5-10
7-60;Silt loam, loam, CL-ML A-4 0 100 100 90-100 85-100; 25-30 5-10
; very fine sandy
loam.
Adena 0-6 Loam ML A-4 0 100 100 90-100 70-90 20-30 NP-5
6-9 Clay, clay loam, CH, CL A-6, A-7 0 100 100 95-100 80-90 35-60 15-35
silty clay
loam.
9-60 Loam, silt loam, ML A-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 CL, A-6, A-4 0 85-100 75-100 75-95 70-80 20-40 5-20
Dacono CL-ML
12-21 Clay loam, clay, CL 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.
27-60 Very gravelly SP, GP A-1 0 35-80 5-50 5-40 0-5 --- NP
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 15-25
11-60 Loam, fine sandy;CL, CL-ML A-4, A-6 0 95-100 90-100 80-95 50-75 25-35 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-ML A-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 A-7 0 95-100 95-100 95-100 75-95 45-55 25-35
Heldt
29, 30 0-12 Sandy loam ;SM, ML A-2, A-4 0 95-100 75-100 45-85 25-55 --- NP
Julesburg 12-27 Fine sandy loam, ;SM, ML A-2, A-4 0 95-100 75-100 50-85 30-55 15-25 NP-5
sandy loam.
27-60 Sandy loam, SM ,A-2, 0 95-100 75-100 40-85 15-50 --- NP
loamy sand, ; A-4,
fine sand. ; A-1
31 , 32, 33, 34 0-12�Loam ML, SM ;A-4 0-5 80-100 75-100 60-90 45-75 20-35 NP-5
Kim 12-40 Loam, clay loam CL, CL-ML;A-4, A-6 0-5 80-100,75-100 70-95 60-85 25-40 5-15
40-60 Fine sandy loam SM, ML ;A-4 0-5 40-100;75-100 70-95 40-55 20-30 NP-5
35•: ,. NP
Loup 0-16 Loamy sand SM A-2 0 100 ; 100 50-100 15-30 --- NP
16-60 Loamy sand, son! SP-SM, Si A-2, A-3 0 100 100 65-100 5-20
Boel 0-14 Loamy sand SM A-2 0 100 1100 85-95 20-35 --- NP
14-60 Fine sand, loamy 3P, SM, A-2, A-3 0 100 1100 85-95 0-25 --- NP
fine sand, SP-3M
coarse sand.
•
Midway 0-13 Clay ':L, CH 4-7 0 100 107 90_100 80_95 45_60 20-35
13 Weathered --- --- --- --- --- -
bedrock.
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--
map symbol Unified AASHTO > 3 Llimit Pticity
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, 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
sandy loam. '-- NP
30 Weathered --- --- --- --- ___ ___ ___
bedrock. '-- ---
39, 40 0-9 • Loam CL, SC A-6 0-5 Nunn 9-29 Clay loam, clay CL, CH A-6, 95-100 90-95 70-95 165-75 25-40 10-20
A-7 0-5 95-100 90-100 85-95 .25-75 35-60 20-35
29-60 Clay loam, loam, CL, pA4, 0-5 80-100 80-100 60-90 25-75 15-40
sandy loam. CL-ML, A-6, 5-20
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 0-90-9 Loamy sand SM A-2 0-5 95-100 80-95 .60-80 20-30 --- NP
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 A-2 0 95-100 90-100;60-
Olney : 10-20 Sandy clay loam SC, CL A-6 0 90 15-25 --- NP
95-100 95-100;75-150 35-55 20-35 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.
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 0-
Otero 12-60 Sandy loam, fine SM A-2, A-1 0-1 5 80 :20-35 --- NP
of sandy loam, 90-100 50-100 40-BO :20-35 --- NP
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.
999 V1/
130 SOIL SURVEY
TABLE 13.--PHYSICAL AND CHEMICAL PROPERTIES OF SOILS--Continued
' Risk_of corrosion_; Erosion;wintl
Soil name and Depth Permea- Available Soil Salinity Shrink- - factors;erodi_
map symbol bility water reaction swell Uncoated ;Concrete ;bility
capacity potential steel K
In In/hr In/in EH Mmhos/cm --- -' T group
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 0.32 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 <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 Low ;0.15 5 3
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
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 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 --- --- ---
A ---
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.
99e,5W
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
group 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----;Brief Apr-Jun 0.5-1.0 Apparent Apr-Jun >60 --- High.
41:
Aquolls D Frequent----;Brief Apr-Jun 0.5-1.5 Apparent Apr-Jun >60 --- High.
Aquepts D Frequent----;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.
Cascajo
14, 15, 16, 17---- B None --- >6.0 --- --- >60 --- Low.
Colby
181:
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 B 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 I --- --- >6.0 --- --- >60 --- Moderate.
Julesburg
31 , 32, 33, 34---- B None --- --- >6.0 --- --- >60 --- Low.
Kim
35•:
o
Loup D Rare to ;Brief Mar-Jun +.5-1.5 Apparent Nov-May >60 --- Moderate.
common.
Boel A Occasional ;Brief Mar-Jun 1 .5-3.5 Apparent Nov-May >60 --- Moderate.
36.:
Midway D None --- --- >6.0 --- --_ 10-20 Rip- Low.
pable
See footnote at end of table.
996.5 vy
•
WELD COUNTY, COLORADO, SOUTHERN PART 133
TABLE 14.--SOIL AND WATER FEATURES--Continued
Flooding Nigh water table Bedrock
Soil name and Hydro- Potential
map symbol logic Frequency Duration ;Months Depth Kind Months Depth Hard- frost
rg roup 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 --- --- >6.0 --- --- 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
7111:
Valent A None --- >6.0 --- ; --- >60 --- Low.
at
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 --- Low.
Vona
See footnote at end of table.
9 &5y
Hello