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WELD COUNTY, COLORADO, SOUTHERN PART 25
can be drilled into a firm prepared seedbed. Plowing and Permeabilty is rapid. Available water capacity is
,--trilling on the contour minimize runoff and soil losses. moderate. The water table is usually about 24 to 36 inches
Jeding early in spring has proven most successful. below the surface. Surface runoff is slow, and the erosion
Windbreaks and environmental plantings are generally hazard is low.
well suited to this soil. Cultivation to control competing This unit is used as rangeland and irrigated cropland.
vegetation should be continued for as many years as Cropping in irrigated areas is limited to the crops
possible following planting. Trees that are best suited and tolerant of water and salts. Light, frequent irrigations by
have good survival are Rocky Mountain juniper, eastern furrows and flooding reduce the salts accumulation.
redcedar, ponderosa pine, Siberian elm, Russian-olive, and Pasture is the best use. Tall wheatgrass, tall fescue, and
hackberry. The shrubs best suited are skunkbush sumac, annual sweetclover are some of the best suited crops.
lilac, Siberian peashrub, and American plum. Commercial fertilizers improve the amount and value of
Wildlife is an important secondary use of this soil. The forage produced.
cropland areas provide favorable habitat for ring-necked The potential native vegetation on this unit is
pheasant and mourning dove. Many nongame species can dominated by switchgrass, little bluestem, sand reedgrass,
be attracted by establishing areas for nesting and escape and western wheatgrass. Indiangrass, sand bluestem,
cover. For pheasants, undisturbed nesting cover is essen- prairie cordgrass, slender wheatgrass, alkali sacaton, salt-
tial and should be included in plans for habitat develop- grass, sedge, and rush are also present. Potential produc-
ment, especially in areas of intensive agriculture. Range- tion ranges from 4,000 pounds per acre in favorable years
land wildlife, for example, the pronghorn antelope, can be to 3,000 pounds in unfavorable years. As range condition
attracted by developing livestock watering facilities, deteriorates, the switchgrass, sand bluestem, indiangrass,
managing livestock grazing, and reseeding where needed. little bluestem, and prairie cordgrass decrease and salt-
This soil has good potential for urban and recreational grass, blue grama, sand dropseed, sedge, and rush in-
development. Increased population growth in the survey crease. Undesirable weeds and annuals invade the site as
area has resulted in increased homesite construction. The range condition becomes poorer.
chief limiting soil feature for urban development and road Management of vegetation on this unit should be based
construction is the limited capacity of this soil to support on taking half and leaving half of the total annual produc-
a load. Septic tank absorption fields function properly, but tion. Seeding is desirable if the range is in poor condition.
community sewage systems should be provided if the Switchgrass, sand bluestem, sand reedgrass, western
population density increases. Because of the permeability wheatgrass, indiangrass, pubescent wheatgrass, and inter-
the substratum, sewage lagoons must be sealed. mediate wheatgrass are suitable for seeding. The plants
.wns, shrubs, and trees grow well. Capability subclass selected should meet the seasonal requirements of IV irrigated, VIe nonirrigated; Loamy Plains range site. livestock. They can be seeded into a clean, firm sorghum
35 Loup-Boel loamy sands, 0 to 3 percent slopes. stubble, or they can be drilled into a furs prepared
is level to nearly level map unit is on stream bottoms seedbed. Seeding early in spring has proven most success-
and in drainageways of the sandhills at elevations of 4,550 ful. Capability subclass IVw irrigated, VIw nonirriated;
to 4,750 feet. The Loup soil occupies the lower or depres- Sandy Meadow range site.
sional areas, which receive additional runoff. It makes up 36—Midway-Shingle complex, 5 to 20 percent slopes.
about 55 percent of the unit. The Boel soil occupies the This moderately sloping to strongly sloping map unit is on
slightly higher elevations. It makes up about 35 percent upland hills and ridges at elevations of 5,050 to 5,250 feet.
of the unit. About 10 percent of the unit is Osgood sand The Midway soil makes up about 50 percent of the unit,
and Valent sand. and the Shingle soil about 35 percent. About 15 percent is
The Loup soil is deep and poorly drained. It formed in Renohill clay loam and Tassel fine sandy loam. The Mid-
sandy alluvium. Typically the surface layer is very dark way soil differs from the Shingle soil in having more than
grayish brown, mottled loamy sand about 16 inches thick. 35 percent clay in the underlying material.
The upper 24 inches of the underlying material is light The Midway soil is shallow and well drained. It formed
brownish gray, mottled loamy sand. The lower part to a in residuum from calcareous shale. Typically the surface
depth of 60 inches is light brownish gray, mottled sandy layer is light olive brown clay about 7 inches thick. The
loam. underlying material is light brownish gray clay about 6
Permeability is rapid. Available water capacity is inches thick. Depth to calcareous clayey shale is about 13
moderate. The water table is at or near the surface in inches.
spring and about 36 inches below the surface in the fall. Permeability is slow. Available water cap'city is low.
Surface runoff is slow, and the erosion hazard is low. The effective rooting depth is 10 to 20 inches. Surface ru-
The Boel soil is deep and somewhat poorly drained. It noff is rapid, and the erosion hazard is moderate to high.
formed in stratified sandy alluvium. Typically the surface The Shingle soil also is shallow and well drained and
layer is grayish brown loamy sand about 14 inches thick. formed in residuum from calcareous shale. Typically the
The underlying material to a depth of 60 inches is pale surface layer is grayish brown loam about 6 inches thick.
lbzpwn and very pale brown, stratified, mottled loamy The underlying material is light yellowish brown clay
1. loam about 12 inches thick. Depth to calcareous clayey
WELD COUNTY, COLORADO, SOUTHERN PART 47
be attracted by establishing areas for nesting and escape wheatgrass are suitable for seeding. The grass selected
cover. For pheasants, undisturbed nesting cover is essen- should meet the seasonal requirements of livestock. It can
and should be included in plans for habitat develop- be seeded into a clean, firm sorghum stubble, or it can be
I. ..t, especially in areas of intensive agriculture. Range- drilled into a firm prepared seedbed. Seeding early in
land wildlife, for example, the pronghorn antelope, can be spring has proven most successful.
attracted by developing livestock watering facilities, Windbreaks and environmental plantings are fairly well
managing livestock grazing, and reseeding where needed. suited to this soil. Blowing sand and low available water
This soil has good potential for urban and recreational capacity are the principal hazards in establishing trees
development. Once established, the lawns, shrubs, and and shrubs. The soil is so loose that trees should be
trees grow well. The chief limiting soil feature is the planted in shallow furrows and vegetation maintained
rapid permeability in the substratum, which causes a between the rows. Supplemental irrigation may be needed
hazard of ground water contamination from sewage to insure survival. Trees that are best suited and have
lagoons. In places recreational development is limited by good survival are Rocky Mountain juniper, western
the susceptibility to soil blowing. Capability subclass IIIe redcedar, ponderosa pine, and Siberian elm. The shrubs
i r•.ted, IVe nonirrigated; Sandy Plains range site. best suited are skunkbush sumac, lilac, and Siberian
CIVona loamy sand, 3 to 5 percent slopes. This is a peashrub.
Wildlife is an important secondary use of this soil. The
deep, somewhat excessively drained soil on plains and
high terraces at elevations of 4,600 to 5,200 feet. It cropland areas provide favorable habitat for ring-necked
formed in eolian or alluvial deposits. Included in mapping pheasant and mourning dove. Many nongame species can
are some leveled areas. Also included are small areas of be attracted by establishing areas for nesting and escape
cover. For pheasants, undisturbed nesting cover is essen-
soils that have a loamy substratum and some areas of
tial and should be included in plans for habitat develop-
soils that are noncalcareous to a depth of 60 inches.
ment, especially in areas of intensive agriculture. Range-
Typically the surface layer of this Vona soil is grayish
land wildlife, for example, the pronghorn antelope, can be
brown. The upper 6 inches is loamy sand and the lower 5
inches is fine sandy loam. The subsoil is brown and light attracted by developing livestock watering facilities,
yellowish brown fine sandy loam about 14 inches thick. managing livestock grazing, and reseeding where needed.
This soil has good potential for urban and recreational
The substratum to a depth of 60 inches is sandy loam.
development. Once established, the lawns, shrubs, and
Permeability is moderately rapid. Available water
capacity is moderate. The effective rooting depth is 60 trees grow well. The primary limiting soil feature is the
inc or more. Surface runoff is slow, and the erosion rapid permeability in the substratum, which causes a
hes
”d is low. hazard of ground water contamination from sewage
.nis soil is suited to limited cropping. Intensive lagoons. In places recreational development is limited by
PP & the susceptibility to soil blowing. Capability subclass IVe
cropping is hazardous because of soil blowing. The irrigated, VIe nonirrigated; Sandy Plains range site.
cropping system should be limited to such close grown 74—Vona loamy sand, 5 to 9 percent slopes. This is a
crops as alfalfa, wheat, and barley. The soil is also suited deep, somewhat excessively drained soil on plains at
to irrigated pasture. A suitable cropping system is 3 to 4 elevations of 4,600 to 5,200 feet. It formed in eolian
years of alfalfa followed by 2 years of corn and small deposits. Included in mapping are small areas of soils that
grain and alfalfa seeded with a nurse crop. have a loamy substratum and areas of soils that are non-
Closely spaced contour ditches or sprinklers can be calcareous to a depth of 60 inches.
used in irrigating close grown crops. Contour furrows or Typically the surface layer is grayish brown. The upper
spinklers should be used for new crops. Application of 6 inches is loamy sand and the lower 4 inches is fine
barnyard manure and commercial fertilizer helps to main- sandy loam. The subsoil is brown and light yellowish
taro good production. brown fine sandy loam about 12 inches thick. The sub-
The potential native vegetation on this range site is stratum to a depth of 60 inches is loamy sand.
dominated by sand bluestem, sand reedgrass, and blue Permeability is moderately rapid. Available water
grama. Needleandthread, switchgrass, sideoats grama, capacity is moderate. The effective rooting depth is 60
and western wheatgrass are also prominent. Potential inches or more. Surface runoff is medium, and the erosion
production ranges from 2,200 pounds per acre in favors- hazard is low.
ble years to 1,800 pounds in unfavorable years. As range The potential native vegetation on this range site is
condition deteriorates, the sand bluestem, sand reedgrass, dominated by sand bluestem, sand reedgrass, and blue
and switchgrass decrease and blue grama, sand dropseed, grama. Needleandthread, switchgrass, sideoats grama,
and sand sage increase. Annual weeds and grasses invade and western wheatgrass are also prominent. Potential
the site as range condition becomes poorer. production ranges from 2,200 pounds per acre in favora-
Management of vegetation on this soil should be based ble years to 1,800 pounds in unfavorable years. As range
on taking half and leaving half of the total annual produc- condition deteriorates, the sand bluestem, sand reedgrass,
tion. Seeding is desirable if the range is in poor condition. and switchgrass decrease and blue grama, sand dropseed,
Sand bluestem, sand reedgrass, switchgrass, sideoats and sand sage increase. Annual weeds and grasses invade
grata, blue grama, pubescent wheatgrass, and crested the site as range condition becomes poorer.
4
RVEY
WELD COUNTY, COLOR.
Windbreaks and environmental plantings are generally
sujL d to this soil. Soil blowing, the principal hazard in shrubs best suited are skunkbush sumac, lilac, and Siberi-
e: 'fishing trees and shrubs, can be controlled by cul- an peashrub.
tivating only in the tree row and by leaving a strip of Wildlife is an important secondary use of this soil. The
vegetation between the rows. Supplemental irrigation cropland areas provide favorable habitat for ring-necked
may be necessary at the time of planting and during the pheasant and mourning dove. Many nongame species can
dry periods. Trees that are best suited and have good be attracted by establishing areas for nesting and escape
survival are Rocky Mountain juniper, eastern redcedar, cover. For pheasants, undisturbed nesting cover is essen-
ponderosa pine, Siberian elm, Russian-olive, and hackber- tial and should be included in plans for habitat develop-
ry. The shrubs best suited are skunkbush sumac, lilac, and ment, especially in areas of intensive agriculture. Range-
Siberian peashrub. land wildlife, for example, the pronghorn antelope, can be
Wildlife is an important secondary use of this soil. attracted by developing livestock watering facilities,
Ring-necked pheasant, mourning dove, and many non- managing livestock grazing, and reseeding where needed.
game species can be attracted by establishing areas for This soil has good potential for urban and recreational
nesting and escape cover. For pheasants, undisturbed development. Lawns, shrubs, and trees grow well. The
nesting cover is essential and should be included in plans only limiting feature is the rapid permeability in the sub-
for habitat development, especially in areas of intensive stratum, which causes a hazard of ground water con-
agriculture. tamination from sewage lagoons. Capability subclass IIe
This soil has good potential for urban and recreational irrigated; IVe nonirrigated; Sandy Plains range site.
development. Lawns, shrubs, and trees grow well. The 77—Vona sandy loam, 3 to 5 percent slopes. This is a
only limiting feature is the rapid permeability in the sub- deep, well drained soil on plains at elevations of 4,600 to
stratum, which causes a hazard of ground water con- 5,200 feet. It formed in eolian deposits. Included in
tamination from sewage lagoons. Capability subclass IIs # mapping are small areas of soils that have a loamy sub-
i '•ated. # stratum and areas of soils that are noncalcareous to a
76 Vona sandy loam, 1 to 3 percent slopes. This is a depth of 60 inches.
deep, well drained soil on plains and high terraces at i Typically the surface layer of this Vona soil is grayish
elevations of 4,600 to 5,200 feet. It formed in eolian and brown sandy loam about 8 inches thick. The subsoil is
alluvial deposits. Included in mapping are some leveled i brown fine sandy loam about 15 inches thick. The sub-
areas. Also included are small areas of soils that have a stratum to a depth of 60 inches is sandy loam.
los-y substratum and areas of soils that are noncalcare- Permeability is moderately rapid. Available water
o a a depth of 60 inches. capacity is moderate. The effective rooting depth is 60
Typically the surface layer of this Vona soil is grayish inches or more. Surface runoff is medium, and the erosion
brown sandy loam about 10 inches thick. The subsoil is hazard is low.
brown fine sandy loam about 18 inches thick. The sub- In irrigated areas this soil is suited to the crops com-
stratum to a depth of 60 inches is sandy loam. monly grown in the area. Perennial grasses and alfalfa or
Permeability is moderately rapid. Available water close grown crops should be grown at least 50 percent of
capacity is moderate. The effective rooting depth is 60 the time. Contour ditches and corrugations can be used in
inches or more. Surface runoff is slow, and the erosion irrigating close grown crops and pasture. Furrows, con-
hazard is low. tour furrows, and cross slope furrows are suitable for row
In irrigated areas this soil is suited to all crops com- crops. Sprinkler irrigation is also desirable. Keeping til-
monly grown in the area, including corn, sugar beets, lage to a minimum and utilizing crop residue help to con-
beans, alfalfa, small grain, and onions. An example of a trol erosion. Maintaining fertility is important. Crops
suitable cropping system is 3 to 4 years of alfalfa fol- respond to applications of phosphorus and nitrogen.
lowed by corn, corn for silage, sugar beets, small grain, or In nonirrigated areas this soil is suited to winter wheat,
beans. Land leveling, ditch lining, and installing pipelines barley, and sorghum. Most of the acreage is planted to
are needed for proper water applications. winter wheat. The predicted average yield is 28 bushels
All methods of irrigation are suitable, but furrow ir- per acre. The soil is summer fallowed in alternate years
rigation is the most common. Barnyard manure and com- to allow moisture accumulation. Generally precipitation is
mercial fertilizer are needed for top yields. too low to make beneficial use of fertilizer.
Windbreaks and environmental plantings are generally Mulch farming, striperopping, and minimum tillage are
suited to this soil. Soil blowing, the principal hazard in needed to control soil blowing and water erosion. Terrac-
establishing trees and shrubs, can be controlled by cul- ing also may be needed to control water erosion.
tivating only in the tree row and by leaving a strip of The potential native vegetation on this range site is
vegetation between the rows. Supplemental irrigation dominated by sand bluestem, sand reedgrass, and blue
may be necessary at the time of planting and during dry grama. Needleandthread, switchgrass, sideoats grama,
periods. Trees that are best suited and have good survival and western wheatgrass are also prominent. Potential
are Rocky Mountain juniper, eastern redcedar, ponderosa production ranges from 2,200 pounds per acre in favora-
r' Siberian elm, Russian-olive, and hackberry. The ble years to 1,800 pounds in unfavorable years. As range
condition deteriorates, the sand bluestem, sand reedgrass,
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LLkAe,(e 1Cr'tee- •
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 1 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.
1 shrink-swell.
25, 26 Severe: Severe: :Severe: Severe: Severe:
Haverson floods. floods. i 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.
duo 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 depth 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.
See footnote at end of table.
r,.
WELD COUNTY, COLORADO, SOUTHERN PART 103
TABLE 6.--BUILDING SITE DEVELOPMENT--Continued
oil name and Shallow Dwellings Dwellings Small Local roads
map symbol excavations without with commercial and streets
basements basements buildings
66, 67 Moderate: Severe: Severe: Severe: Severe:
Ulm too clayey. shrink-swell. shrink-swell. shrink-swell. low strength,
shrink-swell.
68* Severe: Moderate: Moderate: Moderate: Moderate:
Ustic small stones, slope. slope. slope. slope.
Torriorthents cutbanks cave.
69 Severe: Slight Slight Slight Slight.
Valent cutbanks cave.
70 Severe: Slight Slight Moderate: Slight.
Valent cutbanks cave. slope.
71*:
Valent Severe: Slight Slight Moderate: Slight.
cutbanks cave. slope.
Loup Severe: Severe: Severe: Severe: Severe:
wetness, wetness, wetness, wetness, wetness.
cutbanks cave. floods. floods. floods.
72 Slight Slight Slight Slight Moderate:
Vona low strength.
Q73 l 74 Slight Slight Slight Moderate: Moderate:
ona slope. low strength.
75, 76 Slight Slight Slight Slight Moderate:
Vona low strength.
7s— Slight Slight Slight Moderate: Moderate:
a slope. low strength.
78, 79 Slight Moderate: Moderate: Moderate: Moderate:
Weld low strength, low strength, low strength, low strength,
shrink-swell. shrink-swell. shrink-swell. shrink-swell,
frost action.
80 Slight Moderate: Moderate: Moderate: Moderate:
Weld low strength, low strength, low strength, low strength,
shrink-swell. shrink-swell. slope, shrink-swell,
shrink-swell. frost action.
81*, 82*:
Wiley Slight Moderate: Moderate: Moderate: Moderate:
low strength, low strength, low strength, low strength,
shrink-swell. shrink-swell. shrink-swell. shrink-swell.
Colby Slight Slight Slight Slight Moderate:
low strength.
83*:
Wiley Slight Moderate: Moderate: Moderate: Moderate:
low strength, low strength, low strength, low strength,
shrink-swell. shrink-swell. slope, , shrink-swell.
shrink-swell.
Colby Slight Slight Slight Moderate: ,'Moderate:
slope. low strength.
* See map unit description for the composition and behavior of the map unit.
0
WELD COUNTY, COLORADO, SOUTHERN PART 105
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
21 , 22 Severe: Severe: Severe: Slight Fair:
Dacono peres slowly, seepage. seepage. too clayey.
23 Moderate: Moderate: Slight Slight Good.
Fort Collins percs slowly. seepage.
24 Moderate: Moderate: Slight Slight Good.
Fort Collins peres slowly. seepage,
slope.
25, 26 Severe: Severe: Severe: Severe: Good.
Haverson floods, floods, floods, floods.
27, 28 Severe: Moderate: Severe: Slight Poor:
Heldt peres 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*.
oup Severe: Severe: Severe: Severe: Poor:
l„, 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. '
36*:
Midway Severe: Severe: Severe: Moderate: Poor:
peres 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.
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: Slight Slight Fair:
Nunn peres slowly, excess humus. too clayey.
40 Severe: Moderate: Slight Slight Fair:
Nunn peres slowly. excess humus, too clayey.
slope.
41 Severe: Moderate: Slight Slight Fair:
Nunn peres slowly. excess humus. too clayey.
42 Severe: Moderate: Slight Slight Fair:
Nunn peres slowly. excess humus, I too clayey.
slope.
See footnote at end of table.
Y
•
r-.
WELD COUNTY, COLORADO, SOUTHERN PART 107
TABLE 7.--SANITARY FACILITIES--Continued
Soil name and Septic tank 1 Sewage lagoon Trench Area Daily cover
map symbol absorption areas sanitary sanitary for landfill
fields landfill landfill
71*:
Loup Severe: Severe: Severe: Severe: Poor:
wetness, wetness, wetness, wetness, wetness.
floods. seepage, seepage, seepage,
floods. floods. floods.
72, 73 Slight Severe: Slight Slight Good.
Vo seepage.
74 Slight Severe: Slight Slight Good.
Vona seepage,
slope.
75,Q 77 Slight Severe: Slight Slight Good.
Von seepage.
78 Moderate: Moderate: Slight Slight Good.
Weld percs slowly. seepage.
79, 80 Moderate: Moderate: Slight Slight Good.
Weld percs slowly. slope,
seepage.
81*:
Wiley Moderate: Moderate: Slight Slight Fair:
percs slowly. seepage. too clayey.
Colby Slight Moderate: Slight Slight Good.
seepage.
82*, 83*:
r+iley Moderate: Moderate: Slight Slight Fair:
percs slowly. seepage, too clayey.
slope.
Colby Slight Moderate: Slight Slight Good.
seepage.
* See map unit description for the composition and behavior of the map unit.
r .
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