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USDA Soil Conservation Service Soil Survey of Weld County, Colorado
Southern Part — Sheet Numbers 2 $ 7
Pt. 09-06-GG
PUD Sketch Plan
2412 Denby Ct • Fort Collins, Colorado 80526 • (970) 207-0272 *fax (561) 828-8059
email: toddhodgesdesign®earthlink.net
2002-2631
'A Todd Hodges Design, LLC
Soil Survey of Weld County, Colorado excerpt
Published by the United States Department of Agriculture
Soil Conservation Service
In Cooperation with Colorado Agricultural Experiment Station
Issued September 1980
Soil Classification #32: Kim Loam, 1 to 3 percent slopes
32- Kim loam, I to 3
Percent slopes This is a deep, The potential native vegetation is dominated by blue
well drained soil on smooth plains and alluvial fans at grams. Several mid grasses, such as western wheatgraas
'elevations of 4.900 to 6,250 feet. It formes! in mixed eolian and ranges needleafrom lad, are also present in favorable al produc.
deposit and parent sediment from a wide variety of1,000
tion from 1,600 pounds per acre years
seslrs ck. Included in mapping are small areas of Roils that to erjor pounds in unfavorable years. As range condition
'lave loamy sand underlying material. deteriorates, the mid grasses decrease; hlue g^ama, buf-
ass;
Typically the surface layer is brown and pale brown falograsa, s ed, yucca, and fringed wage increase;
an-
.oam about 12 inches thick.The upper 28 inches of the un- and forage d production drops. Undesirable weeds es and an-
+erlying material is pale brown loam. The lower part to a nosh invade ntth site a tion condition becomes poorer
b
depth of 60 inches is pale brown fine sandy loam. Management ft of d lveaving
ha on t soil ahnulc l bayed
on taking half and leaving half of the total annual prnduc-
Permeability it moderate. Available water capacity is tion. Seeding is desirable if the range is in poor condition.
'sgh. The effective rooting depth is 60 inches or more. Sideoats grams, little blueatem, western wheatgrass, blue
Surface runoff is medium,and the erosion hazard is low. grams,pubescent wheatgrass,and created wheatgrass are
In irrigated areas this soil is suited to all crops tom- suitable for seeding. The grass selected should meet the
°sly grown in the area, including corn, sugar beets, seasonal requirements of livestock It can be seeded into
<•ans,alfalfa,small grain,potatoes, and onions. An exam- a clean, firm sorghum stubble, or it can be drilled into a
:,ie of a suitable cropping system is 3 to 4 years of alfalfa prepared seedbed. Reeding early in spring ha,
'allowed by corn,corn for silage, sugar beets,small grain, proven most successful.
VvIr beans. Land leveling, ditch lining(fig.6),and installing rub sdbreaks and environmental plantings of trees and
epelines may be needed for proper water applications. shrubs commonly grown i the area are generally well
g
All methods of irrigation are suitable, but furrow ir- suited o should h soil. Cultivation to control competing
"nation is the most common. Barnyard manure and corn- egetaLi following be continued for as many years as
ercial fertilizer are needed for top yields. possible planting.Trees that are best suited and
have good survival are Rocky Mountain juniper, eastern
in nonirrigated areas this soil is suited to winter wheat,
•arley, and sorghum. Most of the acreage is planted to hackredcedar, ponderosa pine,Siberian elm,Runsiansrlivc•. and
hacherry. The shrubs beat suited are skunkbueh sumac,
inter wheat and is summer (allowed in alternate years lilac,Siberian allow moisture accumulation. Generally peashrub,import t secoAmendary
plum.
•:o low for beneficial use of fertilizer. precipitation is Wildlife is an important secondary use of this soil. The
Stubble mulch e feral useing, f ro in cropland areas provide favorable habitat for ring-necked
Pc pP g, and minimum til- pheasant and mourning dove. Many nongame species can
age are needed to control soil blowing and water erosion. be attracted by establishing areas for nesting and escape
•-rracing also may be needed to control water erosion. cover. Fur pheasants, undisturbed nesting cover is essen-
tial and should be included in plans for habitat develop-
ment, especially in areas of intensive agriculture. Range
land wildlife, for example, the pronghorn antelope,can be
attracted by developing livestock watering i'aeilities,
managing livestock grazing,and reseeding where needed.
This soil hail good potential for urban and recreational
development. Increased population growth in the survey
area has resulted in increased horcesite construction. The
chief limiting soil feature for urban development and road
construction is the limited capacity of this soil to support
a load. Septic tank absorption fields function properly,but
community sewage systems should be provided if the
population density increases. Because of the permeability
of the substratum, sewage lagoons must be sealed
Lawns, shrubs, and trees grow well. Capability subclass
Ile irrigated, IVe nonirrigated; Loamy Plains range site.
is
2412 Denby Court • Fort Collins, Colorado 80526 • (970) 207-0272 • .fax: (561)828-8059
email: toddhodgesdesign(aearthlink.net
� rti
• • Todd Hodges Design, LLC
Soil Survey of Weld County, Colorado excerpt (Southern Portion)
Published by the United States Department of Agriculture
Soil Conservation Service
In Cooperation with Colorado Agricultural Experiment Station
Issued September 1980
Soil Classification #33: Kim Loam, 3 to 5 percent slopes
33—Kim loam, 3 to 5 percent elopes. This is a deep• Management of vegetation on this soil should be based
well drained soil on plains and alluvial fans at elevations on taking half and leaving half of the total annual produc-
of 4,9110 to 5,2.50 feet. It formed in mixed eolian deposits tion. Seeding is desirable if the range is in poor condition.
and parent sediment from a wide variety of bedrock. In- Sideoata grams, little bluestem, western wheatgraaa, blue
eluded in mapping are small areas of soils that have grarna,pubescent wheatgrasa,and crested wheatgrass are
loamy nand underlying material suitable for seeding. The grass selected should meet the
Typically the surface layer is brown and pale brown seasonal requirements of livestock. It can be seeded into
loam about 10 inches thick The upper 28 inches of the un a clean, firm sorghum stubble, or it can be drilled into a
der lying material is pale brown loam. The lower part to a firm prepared seedbed. Seeding early in spring has
depth of 60 inches is pale brown fine sandy loam
proven most successful.
Permeability is moderate. Available water capacity is Windbreaks and environmental plantings of trees and
high. The effective rooting depth is 60 inches or more. shrubs commonly grown in the area are generally well
Surface runoff is medium, and the erosion hazard is suited to this soil. Cultivation to control competing
moderate. vegetation should be continued for as many years as
In irrigated areas this soil is suited to crops commonly silo]( following
grown in the area. Perennial grasses and alfalfa or close p° planting.Trees that are best suited and
crops should be r have good survival are Rocky Mountain juniper, eastern
grown p grown at least �0 percent of the rc'lcedar, ponderosa pine, Siberian elm, Russian-olive,and
time. Contour ditches and corrugations can be used in ur hackbe The shrubs beat suited are skunklrush sumac,
rigating dose grown crops and pasture. Furrows,contour
furrows, and cross slope furrows are suitable for row lilac, Siberian peashrub,and American plum.
cro PK S rinkler irri ation is also su Wildlife is an important secondary use of this soil. The
P g ggested. Keeping ti]- cropland areas provide favorable habitat for ring-necked
"ea_ lage to a minimum and utilizing crop residue help to con-
pheasant and mourning dove. Many nongame species can
trot trol erosion. Maintaining fertility is important. Crops
respond to applications of phosphorus and nitrogen. be attracted by establishing areas for nesting and escape
In nonirrigated areas this soil is suited to winter wheat, cover For pheasants, undisturbed nesting cover is essen-
tial and should be included in plans for habitat develop
barley, and sorghum. Most of the acreage is planted to
winter wheat. The predicted average yield is 28 bushels ►rent, especially in areas of intensive agriculture. Range-
per acre. The soil is summer fallowed in alternate years land wildlife, for example,the pronghorn antelope, can be
to allow moisture accumulation. Generally precipitation is attracted by developing livestock watering facilities,
too low for beneficial use of fertilizer. managing livestock grazing,and reseeding where needed.
Stubble mulch farming, striperopping, and minimum ti]- This soil has good potential for urban and recreational
lege are needed to control soil blowing and water erosion. development. Increased population growth in the survey
Terracing also may be needed to control water erosion area has resulted in increased homesite construction.The
The potential native vegetation is dominated by blue chief limiting soil feature for urban development and road
grams. Several mid grasses, such as western wheatgraaa construction is the limited capacity of this soil to support
and needleandthread, are also present. Potential procisx•- a load.Septic tank absorption fields function properly,but
tion ranges from 1,600 pounds per acre in favorable years community sewage systems should be provided if the
to l,(Ml0 pounds in unfavorable years. As range condition population density increases. Because of the permeability
deteriorates, the mid grasses decrease; blue grams, huf- of the substratum, sewage lagoons must be sealed.
falograss, snakeweed, yucca, and fringed sage increase; Lawns, shrubs, and trees grow well. Capability subclass
and forage production drops. Undesirable weeds and an- III( irrigated, 1Ve nonirrigated; Loamy Plains range site.
nuals invade the site as range condition becomes poorer.
2412 Denby Court • Fort Collins, Colorado 80526 • (970) 207-0272 • fax: (561)828-8059
email: toddhodgesdesign(a earthlink.net
Todd Hodges Design, LL C
Soil Survey of Weld County, Colorado excerpt (Southern Portion)
Published by the United States Department of Agriculture
Soil Conservation Service
In Cooperation with Colorado Agricultural Experiment Station
Issued September 1980
Soil Classification #46: Olney fine sandy loam, 0 to 1 percent slopes
46—Olney fine sandy loam. 0 to 1 percent slopes- are Rocky Mountain juniper,eastern redcedar, ponderosa
This is a deep, well drained soil on smooth plains at eleva- pine, Siberian elm, Russian-olive, and haekberry. The
tions of 4,600 to 5.200 feet. It formed in mixed outwash shrubs beat suited are skunkbush sumac.lilac,and Siberi-
deposits. Included in mapping are small areas of soils that an peashrub.
have a dark surface layer and some small leveled areas. Wildlife is an important secondary use of this soiL The
Typically the surface layer of this Olney soil is grayish cropland areas provide favorable habitat for ring-necked
brown fine sandy loam about 10 inches thick.The subsoil pheasant and mourning dove. Many nongame species can
is yellowish brown and very pale brown sandy clay loam he attracted by establishing areas for nesting and escape
about 15 inches thick. The substratum to a depth of 60 cover. For pheasants,undisturbed nesting cover is essen-
inches is very pale brown,calcareous fine sandy loam. tial and should be included in plans for habitat develop-
Permeability and available water capacity are ment,especially in areas of intensive agriculture.
moderate. The effective rooting depth is 60 inches or Rapid expansion of Greeley and the surrounding area
more. Surface runoff is slow, and the erosion hazard is has resulted in urbanization of much of this Olney soil.
low. This soil has good potential for urban and recreational
This soil is used almost entirely for irrigated crops. It development. The only limiting feature is the moderately
is suited to all crops commonly grown in the area,includ- rapid permeability in the substratum, which causes a
ing corn.sugar beets, beans,alfalfa,small grain, potatoes, hazard of ground water contamination from sewage
and onion&An example of a suitable cropping system is 3 lagoons. Lawns, shrubs, and trees grow well. Capability
to 4 years of alfalfa followed by corn, corn for silage, class I irrigated.
sugar beets,small grain,or beans. Few conservation prac-
tices are needed to maintain top yields.
i-� All methods of irrigation are suitable, but fhrraw ir-
rigation is the most common. Barnyard manure and com-
mercial fertilizer are needed for top yields.
Windbreaks and environmental plantings are generally
suited to this soil. Soil blowing, the principal hazard in
establishing trees and shrubs, can be controlled by cul-
tivating only in the tree row and by leaving a strip of
vegetation between the rows. Supplemental irrigation
may be needed at the time of planting and during dry
periods.Trees that are best suited and have good survival
2412 Denby Court • Fort Collins, Colorado 80526 • (970) 207-0272 • fax: (561)828-8059
email: toddhodgesdesign('earthlink.net
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