HomeMy WebLinkAbout20020117.tiff Soils Report
Blue Sky Estates Minor Subdivision
S-570
Guy D. Jensen, Applicant
Obtained from Soil Conservation Service
Soil Survey, Weld County, Southern Part
�-� 2002-0117
EXHIBIT
I a/
U. S. DEPARTMENT OF AG}-{R'1 L 1 UHT,
) SOIL CONSERVATION SERVICE
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WELD COUNTY, COLORADO, SOUTHERN PART 31
:racted by developing livestock watering facilities, establishing trees and shrubs, can be controlled by cul-
gyacmg livestock grazing and reseeding where needed. tivating only in the tree row and by leaving a strip of
soil has good potential for urban development. The vegetation between the rows. Supplemental irrigation
limiting feature is the moderately rapid permeability may be needed at the time of planting and during dry
.ne substratum, which onuses a hazard of ground water periods. Trees that are best suited and have good survival
•ntamination from sewage lagoons. The loamy sand sur- are Rocky Mountain juniper, eastern redcedar, ponderosa
He layer is a limitation for recreational development. pine, Siberian elm, Russian-olive, and hackberry. The
established, the lawns, shrubs. and trees grow well. shrubs best suited are skunkbush sumac, lilac, and Siberi-
anabilit.y subclass Hie irrigated, IVe nonirrigated; an peashrub.
omdy Plains range site. Wildlife is an important secondary use of this soil. The
15—Olney loamy sand, 3 to 5 percent slopes. This is a cropland areas provide favorable habitat for ring-necked
,a, well drained soil on plains at elevations of 4,600 to pheasant and mourning dove. Many nongame species can
'0'0 feet. It. formed in mixed out wash deposits. Included be attracted by establishing areas for nesting and escape
mapping are small areas of soils that have sandstone cover. For pheasants, undisturbed nesting cover is essen-
nd shale within a depth of dO inches and some small tial and should be included in plans for habitat develop-
-tiled areas. ment, especially in areas of intensive agriculture. Range-
:'ypically the surface layer of this Olney soil is grayish land wildlife, for example, the pronghorn antelope, can be
',RAM loamy sand about 7 inches thick. The subsoil is yel- attracted by developing livestock watering facilities,
fish brown and very pale brown sandy clay loam about managing livestock grazing, and reseeding where needed.
inches thick. The substratum to a depth of 60 inches is This soil has good potential for urban development. The
,ry pale brown, calcareous fine sandy loam. only limiting feature is the moderately rapid permeability
Permeability and available water capacity are in the substratum, which causes a hazard of ground water
interate. The effective rooting depth is 60 inches or contamination from sewage lagoons. The loamy sand sur-
ore. Surface runoff is slow, and the erosion hazard if face layer is a limitation for recreational development.
Once established, the lawns, shrubs, and trees grow well.
in irrigated areas this soil is suited to the crops com- Capability subclass IIIe irrigated, VI nonirrigated; Sandy
.only grown in the area. Perennial grasses and alfalfa or Plains range site.
e se grown crops should be grown at least 50 percent of 46—Olney fine sandy loam, 0 to 1 percent slopes.
it time. Close grown crops and pasture can be irrigated This is a deep, well drained soil on smooth plains at eleva-
.irmntour ditches and corrugations. Furrows, contour tions of 4,600 to 5,200 feet. It formed in mixed outwash
- .s. and cross slope furrows are suitable for row deposits. Included in mapping are small areas of soils that
ups Sprinkler irrigation is also desirable. Keeping til- have a dark surface layer and some small leveled areas.
-e,e to a minimum and utilizing crop residue help to con- Typically the surface layer of this Olney soil is grayish
of erosion. Maintaining fertility and organic matter con- brown fine sandy loam about 10 inches thick. The subsoil
at is important.. Crops respond to barnyard manure and is yellowish brown and very pale brown sandy clay loam
immercial fertilizer. about 15 inches thick. The substratum to a depth of 60
The potential native vegetation on this range site is inches is very pale brown, calcareous fine sandy loam.
iomin:d.ed by sand bluestem, sand reedgrass, and blue Permeability and available water capacity are
mina. t' eedle:mdthread, switchgrass, sideoats grama, moderate. The effective rooting depth is 60 inches or
.a l western wheatgrass are also prominent. Potential more. Surface runoff is slow, and the erosion hazard is
.eduction ranges from 2,200 pounds per acre in favora- low.
i,, years to 1,800 pounds in tinfavarable years. As range This soil is used almost entirely for irrigated crops. It
edition deteriorates, the sand bluestem, sand reedgrass, is suited to all crops commonly grown in the area, includ-
Jwl switchgrass decrease and blue grama, sand dropseed, ing corn, sugar beets, beans, alfalfa, small grain, potatoes,
in(' sand sage irn'n'ase. Annual weeds and grasses invade and onions. An example of a suitable cropping system is 3
site as range condition becomes poorer. to 4 years of alfalfa followed by corn, corn for silage,
Management of vegetation on this soil should be based sugar beets, small grain, or beans. Few conservation prac-
taking half and leaving half of the total annual produc- tices are needed to maintain top yields.
in. Seeding is desirable if the range is in poor condition. All methods of irrigation are suitable, but furrow ir-
rd bluestem, sand reed:pass switchgrass, sideoats rigation is the most common. Barnyard manure and com-
mina, blue grauna, pubes:onl wheatgrass, and crested mercial fertilizer are needed for top yields.
-neatgrass arc suitable for ,seeding. The grass selected Windbreaks and environmental plantings are generally
liould meet the seasonal requirements of livestock. It can suited to this soil. Soil blowing, the principal hazard in
.,, seeded into clean, firm sorghum stubble, or it can be establishing trees and shrubs, can be controlled by cul-
•illed into a firm preprreit see6.bed. Seeding early in tivating only in the tree row and by leaving a strip of
, ring has proven most successful vegetation between the rows. Supplemental irrigation
>'indbreaks and environmental plantings are generally may be needed at the time of planting and during dry
to this soil. Soil blowing, the principal hazard in periods. Trees that are best suited and have good survival
32 SOIL SURVEY
are Rocky Mountain juniper, eastern redcedar, ponderosa We 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 meat the
Rapid expansion of Greeley and the surrounding area seasonal requirements of livestock. It can be seeded into
has resulted in urbanization of much of this Olney soil. a clean, firm sorghum stubble, or it can he 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 arc generally
hazard of ground water contamination from sewage suited to this soil. Soil bloc,-ring, the principal hazard in
lagoons. Lawns, shrubs, and trees grow well. Capability establishing trees and shrubs, can be controlled by out-
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
„-3 about 14 inches thick. The substratum to a depth of 60 pheasant and mourning dove. Many nongame species can
inches is very pale brown, calcareous fine sandy loam. be attracted by establishing areas for nesting and escape
Permeability and available water capacity are cover. For pheasants, undisturbed nesting cover is essen-
moderate. The effective rooting depth is 60 inches or tial and should be included in plans for habitat develop-
more. Surface runoff is medium, and the erosion hazard is ment, especially in areas of intensive agriculture. Range-
low. land wildlife, for example, the pronghorn antelope, can be
In irrigated areas this soil is suited to all crops com- attracted by developing livestock watering facilities,
monly grown in the area, including corn, sugar beets, managing livestock grazing, and reseeding where needed.
beans, alfalfa, small grain, potatoes, and onions. An exam- Rapid expansion of Greeley awl 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 IIe irrigated, We 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, ti to 5 percent slopes.
winter wheat. The predicted average yield is 28 bushels This is a deep, well drained soil on plains at elevations of
per acre. The soil is summer fallowed in alternate years 4,600 to 5,200 feet. It formed in mixed outwash deposits.
to allow moisture accumulation. Generally precipitation is Included in mapping are small areas of soils that have 2
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 Ell 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 k 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 line sandy loann.
and western wheatgrass are also prominent. Potential Permeability and available water capacity art
production ranges from 2,200 pounds per acre in favora- moderate. The effective rooting depth is 60 inches or
1i
-
46 SOIL SURVEY
Permeability is rapid. Available water capacity is yellowish brown fine sandy loam about 16 inches thick.
moderate. A water table is at or near the surface in The substratum to a depth of 60 inches is sandy loam.
spring and about 36 inches below the surface in fall. Sur- Permeability is moderately rapid. .Available water
face runoff is slow, and the erosion hazard is low. capacity is moderate. The effective rooting depth is 60
This unit is used for rangeland and wildlife habitat. The inches or more. Surface runoff is slow, and the erosion
potential native vegetation on the Valent soil is hazard is low.
dominated by sand reedgrass, sand bluestem, blue and In irrigated areas this soil is suited to the crops coin
hairy grama, little bluestem, needleandthread, and monly grown in the area. l'ereumai grasses and alfalfa or
sideoats grama. Potential production ranges from 1,800 close grown crops shoid b^ grow,'. at leapt 6o percent o;
pounds per acre in favorable years to 1,400 pounds in un- the time. Contour ditches anci corrugations can be used in
favorable years. As range condition deteriorates, the sand irrigating close grown crops and pasture_ Furrows, con-
bluestem, sand reedgrass, sideoats grama, and little tour furrows, and cross slope furrows an- suitable for row
bluestem decrease; sandhill muhly and blowout grass in- crops. Sprinkler irrigation is also desirable. Keeping til-
crease, and forage production drops. "Blowouts" occur as lage to a minimum and utilizing crop residue help to con-
range condition becomes poorer. trol erosion. Maintaining- fertility is important. Crops
The native vegetation on the Loup soil is dominated by respond to applications of phosphorus and nitrogen.
switchgrass, little bluestem, sand reedgrass, and western In nonirrigated areas this soil is suited to winter wheat,
wheatgrass. Indiangrass, sand bluestem, prairie cordgrass, barley, and sorghum. Most of the s.creage is planted ft
slender wheatgrass, alkali sacaton, saltgrass, sedge, and winter wheat. The predict:tt average yield is 211 bushels
rush are also present. Potential production ranges from per acre. The soil is summer (allowed ^r alternate years,
4,000 pounds per acre in favorable years to 3,000 pounds to allow moisture accumulation. Generally precipitation is
in unfavorable years. As range condition deteriorates, the too low for beneficial use of fertilizer.
switchgrass, sand bluestem, indiangrass, little bluestem, Stubble mulch farming, striperopping, and minimum tin
and prairie cordgrass decrease, and saltgrass, blue grama, lage are needed to control soil blowing and water erosion.
sand dropseed, sedge, and rush increase. Undesirable Terracing also may be needed to control water erosion.
weeds and annuals invade the site as range condition The potential native vegetation on this range site is
becomes poorer. dominated by sand bluestem, sand reedgrass, and blue
Seeding with an interseeder is advisable if the range is grama. Needleandthread, switchgrass, sideoats grama.
/�. in poor condition. Sand reedgrass, sand bluestem, sideoats and western wheatgrass are also prominent. Potential
grama, switchgrass, little bluestem, indiangrass, and blue production ranges from 2,2(:0 pounds per acre in favor::
grama are suitable for seeding. Seeding early in spring ble years to 1,800 pounds in unfavorable years. As rang
has proven most successful. Grazing should be light to condition deteriorates, the sand bluestem, sand reedgrass
prevent range deterioration. and switchgrass decrease and blue grama, sand dropseed.
Wildlife is an important secondary use of this unit. On and sand sage increase. Annual weeds and grasses invad
the Valent soil, rangeland wildlife, for example, the the site as range condition becomes pooren
pronghorn antelope, can be attracted by developing Management of vegetation on this soil should be base._
livestock watering facilities, managing livestock grazing, on taking half and leaving half of the total annual produt
and reseeding where needed. tion. Seeding is desirable if the range is in poor condition.
The Loup soil, which is typically wet and produces an Sand bluestem, sand reedgrass, switchgrass, sideoat,
abundance of wetland vegetation, attracts wetland wil- grama, blue grama, pubescent wheatgrass, and crests
dlife species, such as mallard, teal, geese, and miscellane- wheatgrass are suitable for seeding. The grass selects
ous shorebirds. Primary management of this soil for wet- should meet the seasonal requirements of livestock.
land wildlife includes managing livestock grazing, fencing should he drilled into a clean, firm sorghum stubble or
to control livestock, protecting from fire, and preventing prepared seedbed. Seeding early in spring has prove
drainage. Natural wetland vegetation should be allowed most successful.
to develop. Capability subclass Vle irrigated, VIe nonir- Windbreaks and environmental plantings are fairly we.
rigated; Valent soil in Choppy Sand Meadow range site, suited to this soil. Blowing sand and low available waft
Loup soil in Sandy Meadow range site. capacity are the principal hazards in establishing trees
72—Vona loamy sand, 0 to 3 percent slopes. This is a and shrubs. The soil is so loose that trees should In-
deep, somewhat excessively drained soil on plains and planted in shallow furrows and vegetation maintained
high terraces at elevations of 4,600 to 5,200 feet. It between the rows. Supplemental irrigation is needed at
formed in eolian or alluvial deposits. Included in mapping insure survival. Trees that are best suited and have goo
are some leveled areas. Also included are small areas of survival are Rocky Mountain juniper, eastern redcedar,
soils that have a loamy substratum and some areas of ponderosa pine, and Siberian clue 'l'he shrubs best suit*
soils that are noncalcareous to a depth of 60 inches. are skunkbush sumac, lilac, and Siberian peashrnb.
Typically the surface layer of this Vona soil is grayish Wildlife is an important secondary use of this soil.
brown. The upper 6 inches is loamy sand and the lower 6 cropland areas provide favorable habitat for ring-neckcd
inches is fine sandy loam. The subsoil is brown and light pheasant and mourning dove. Many nongame species c;e.
•
WELD COUNTY, COLORADO, SOUTHERN PART 47
Luc attracted by establishing areas for nesting and escaper wheatgrass are suitable for seeding. The grass selected
,Yet. For pheasants, undisturbed nesting cover is essen- should meet the seasonal requirements of livestock. It can
tial and should be included in plans for habitat develop- be seeded into a clean, firm sorghum stubble, or it can be
ment., especially in areas of intensive agriculture. Range- drilled into a firm prepared seedbed. Seeding early in
land wildlife, Co'. 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 potent kit t'or urban and recreational capacity are the principal hazards in establishing trees
development. Chico 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 susceplihility to soil blowing. Capability subclass IIIe redcedar, ponderosa pine, and Siberian elm. The shrubs
irrigated, IVe nonirrigatod; Sandy Plains range site. best suited are skunkbush sumac, lilac, and Siberian
73—Vona loamy sand, 2 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
soils that have a loamy substratum and some areas of cover. For pheasants, undisturbed nesting cover is essen-
soils that are nencaicareons to a depth of 60 inches. tial and should be included in plans for habitat develop-
Typically the surface laverof this Vona soil is grayish ment, especially in areas of intensive agriculture. Range-
brown. The upper 6 inches is loamy sand and the lower 5 land wildlife, for example, the pronghorn antelope, can be
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.
The substratum to a depth of 60 inches is sandy loam. This soil has good potential for urban and recreational
Permeability is moderately rapid. Available water development. Once established, the lawns, shrubs, and
trees grow well. The primary limiting soil feature is the
oaeity is moderate. Te e effective rooting depth is rapid permeability in the substratum, which causes a
. or ache, more. Surface runoff is slow, and the erosion hazard of ground water contamination from sewage
hazard is low. g
This soil is suited to limited cro in Intensive lagoons. In places recreational development is limited by
PP g' the susceptibility to soil Capability :
cropping is hazardous because of soil blowing. The p y blowing. Ca abilit subclass IVe
cropping system should 1.,-e limited to such close grown irrigated, VIe nonirrigated; Sandy Plains range site.
crops as alfalfa. wheat.. and barley. The soil is also suited 74—Vona loamy sand, 5 to 9 percent slopes. This is a
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 aifaif:r 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 irrigat tug close grown crops. Contour furrows or Typically the surface layer is grayish brown. The upper
spinklers should be used fer 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
thin 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 aye also prominent. Potential inches or more. Surface runoff is medium, and the erosion
production ranges from 2,200 pounds per acre in favora- hazard is low.
hle years to 1.500 pounds in unfavorable years. As range The potential native vegetation on this range site is
condition deteriorates_ tie 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 hle 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,
Minn. Seeding is desirable if the range is in poor condition. and switchgrass decrease and blue grama, sand dropseed,
nd hluestem. sand reedgrass, switchgrass, sideoats and sand sage increase. Annual weeds and grasses invade
gamma. Hue grama, pubescent wheatgrass, and crested the site as range condition becomes poorer.
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