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Home My WebLink About20100163.tiff . r � , • • 12 SOIL SURVEY Cr soil has good potential for urban and recreational Wildlife is an important secondary use of this soil. The opment. Increased population growth in the survey cropland areas provide favorable habitat for ring-necked area has resulted in increased homesite construction. The pheasant and mourning dove. Many nongame species can chief limiting soil features for urban development are the be attracted by establishing areas for nesting and escape shrink-swell potential of the subsoil as it wets and dries cover. For pheasants, undisturbed nesting cover is essen- and the limited ability of this soil to support a load. Septic tial and should be a included in plans for habitat develop- tank absorption fields function properly, but community ment, especially in areas of intensive agriculture. Range- sewage systems should be provided if the population den- land wildlife, for example, deer and antelope, can be at- sity increases. Because of the moderately rapid permea- tracted by managing livestock grazing and reseeding bility of the substratum, sewage lagoons must be sealed. where needed. Lawns, shrubs, and trees grow well. Capability subclass This soil is not suited to urban or recreational develop- IIe irrigated. ment because of the flood hazard. Capability subclass 10—Bankard sandy loam, 0 to 3 percent slopes. This IVw irrigated, VIw nonirrigated; Sandy Bottom land is a deep, somewhat excessively drained soil on flood range site. plains at elevations of 4,450 to 5,000 feet. It formed in 11—Bresser sandy loam, 0 to 1 percent slopes. This is stratified recent alluvium along streams and rivers. In- a deep, well drained soil on terraces at elevations of 4,700 eluded in mapping are numerous sand and gravel bars to 4,800 feet. It formed in alluvium deposited by the and small areas of noncalcareous soils. South Platte River. Included in mapping are small areas Typically the surface layer of this Bankard soil is of soils that have sand and gravelly sand in the lower brown sandy loam about 4 inches thick. The underlying part of the substratum. material to a depth of 60 inches is pale brown calcareous Typically the surface layer is grayish brown sandy loam sand stratified with thin lenses of sandy loam, loam, and about 11 inches thick. The subsoil is brown and yellowish fine gravel. brown sandy clay loam about 19 inches thick. The sub- Permeability is moderately rapid. Available water stratum to a depth of 60 inches is loamy sand. capacity is low. The effective rooting depth is 60 inches or Permeability and available water capacity are more. Surface runoff is slow, and the erosion hazard is moderate. The effective rooting depth is 60 inches or low. more. Surface runoff is slow, and the erosion hazard is This soil is suited to limited cropping. It is sandy and low et to flooding. Pasture is the best use. Tall wheat- This soil is used almost entirely for irrigated crops. It tall fescue, and annual sweetclover are some of the is suited to all crops commonly grown in the area includ- most suitable crops. Light, frequent irrigation by furrows ing corn, sugar beets, beans, alfalfa, small grain, potatoes, and flooding is best. Commercial fertilizer improves the and onions. An example of a suitable cropping system is 3 amount and value of forage produced. to 4 years of alfalfa followed by corn, corn for silage, The potential native vegetation is dominated by switchgrass, indiangrass, sand bluestem, sand reedgrass, sugar beets, small grain, or beans. Few conservation prac- sideoats grama, needleandthread, and blue grama. Much tices are needed to maintain top yields. of this range site includes other soils and vegetation in All methods of irrigation are suitable, but furrow ir- such a complex pattern that it is difficult to map them rigation is the most common. Barnyard manure and com- separately. Potential production ranges from 2,500 pounds mercial fertilizer are needed for top yields. per acre in favorable years to 1,500 pounds in unfavorable Windbreaks and environmental plantings are generally years. As range condition deteriorates, the tall and mid suited to this soil. Soil blowing, the principal hazard in grasses decrease; blue grama, sand dropseed, and forbs establishing trees and shrubs, can be controlled by cul- increase; and forage production drops. Undesirable weeds tivating only in the tree row and by leaving a strip of and annuals invade the site as range condition becomes vegetation between the rows. Supplemental irrigation poorer. may be needed at the time of planting and during dry Management of vegetation should be based on taking periods. Trees that are best suited and have good survival half and leaving half of the total annual production. Seed- are Rocky Mountain juniper, eastern redcedar, ponderosa ing is desirable only in areas large enough to interseed or Pine, Siberian elm, Russian-olive, and hackberry. The to prepare a seedbed. Switchgrass, sand bluestem, sand shrubs best suited are skunkbush sumac, lilac, and Siberi- reedgrass, sideoats grama, little bluestem, blue grama, pu- an peashrub. bescent wheatgrass, and intermediate wheatgrass are Wildlife is an important secondary use of this soil. suitable for seeding. This soil can be seeded by using an Ring-necked pheasant, mourning dove, and many non- interseeder or a firm, clean sorghum stubble. A grass drill game species can be attracted by establishing areas for is required. Seeding early in spring has proven most suc- nesting and escape cover. For pheasants, undisturbed cessful. nesting cover is essential and should be included in plans This soil is generally not suited to the establishment for habitat development, especially in areas of intensive :airowth of trees and shrubs. Onsite investigation is agriculture. to determine feasibility and possible tree and This soil has good potential for urban and recreational shrub species. development. Lawns, shrubs, and trees grow well. The 2010-0163 WELD COUNTY, COLORADO, SOUTHERN PART 1 • only limiting features are the rapid permeability in the Typically the surface layer is brown gravelly sand substratum and the resulting hazard of ground water con- loam about 9 inches thick. The upper part of the underl3 tamination from sewage lagoons. Capability class I ir- ing material is pale brown and light yellowish brown ver rigated. gravelly sandy loam about 22 inches thick. The lower pat 12—Bresser sandy loam, 1 to 3 percent slopes. This is to a depth of 60 inches is light yellowish brown ver a deep, well drained soil on terraces at elevations of 4,700 gravelly sand. A layer of strong lime accumulation 2 to 4,800 feet. It formed in alluvium deposited by the inches thick is below the surface layer. South Platte River. Included in mapping are small areas Permeability is moderately rapid. Available wate of soils that have sand and gravelly sand in the lower capacity is moderate. The effective rooting depth is 6 part of the substratum. inches or more. Surface runoff is slow to medium, and th Typically the surface layer is grayish brown sandy loam erosion hazard is low. about 11 inches thick. The subsoil is brown and yellowish The potential native vegetation is dominated by littl brown sandy clay loam about 18 inches thick. The sub- bluestem, sideoats grama, sand reedgrass, blue gram; stratum to a depth of 60 inches is loamy sand. hairy grama, switchgrass, and needleandthread. Potentis Permeability and available water capacity are production ranges from 1,200 pounds per acre in favors moderate. The effective rooting depth is 60 inches or ble years to 700 pounds in unfavorable years. As rang more. Surface runoff is medium, and the erosion hazard is condition deteriorates, the tall and mid grasses decrease low. blue grama and hairy grama increase, and forage produc This soil is used almost entirely for irrigated crops. It tion drops. is suited to all crops commonly grown in the area, includ- Management of vegetation should be based on takin, ing corn, sugar beets, beans, alfalfa, small grain, potatoes, half or less of the total annual production. Seeding an and onions. An example of a suitable cropping system is 3 mechanical treatment are impractical. Deferred grazing i to 4 years of alfalfa followed by corn, corn for silage, a practical measure in improving range condition. sugar beets, small grain, or beans. Land leveling, ditch Windbreaks and environmental plantings are suited t lining, and installing pipelines may be needed for proper this soil. Low available water capacity and high caleiur water application. content are the principal hazards in establishing trees an All methods of irrigation are suitable, but furrow ir- shrubs. Weed control is needed to insure establishmen rigation is the most common. Barnyard manure and corn- and survival of plantings. Supplemental irrigation als • mercial fertilizer are needed for top yields. may be needed to insure survival. Trees that are bes Windbreaks and environmental plantings are generally suited and have good survival are Rocky Mountain ju suited to this soil. Soil blowing, the principal hazard in , eastern redcedar,niper, establishing trees and shrubs, can be controlled by cul- tivating only in the tree row and by leaving a strip of The shrubs best adapted are skunkbush sumac and lilac. vegetation between the rows. Supplemental irrigation Wildlife uses are very limited because this soil lack may be needed at the time of planting and during dry potential for producing necessary habitat element: periods. Trees that are best suited and have good survival Because most of the acreage is rangeland, only rangelam are Rocky Mountain juniper, eastern redcedar, ponderosa wildlife, for example, scaled quail and antelope, are type pine, Siberian elm, Russian-olive, and hackberry. The cal. Extreme care is needed in managing livestock grazing shrubs best suited are skunkbush sumac, lilac, and Siberi- in order to provide suitable habitat on this soil. an peashrub. Steepness is the most limiting soil feature that must bh Wildlife is an important secondary use of this soil. considered in planning homesites and the construction o Ring-necked pheasant, mourning dove, and many non- roads. Other limiting features are the rapid permeabilit; game species can be attracted by establishing areas for in the substratum and the resulting hazard of groum nesting and escape cover. For pheasants, undisturbed water contamination from sewage lagoons. Site prepara nesting cover is essential and should be included in plans tion for environmental plantings such as lawns, shrubs for habitat development, especially in areas of intensive and trees is difficult because of the high content of grave agriculture. and cobbles. Capability subclass VIIs nonirrigated; Grave This soil has good potential for urban and recreational breaks range site. development. Lawns, shrubs, and trees grow well. The 14—Colby loam, 0 to 1 percent slopes. This is a deep only limiting features are the rapid permeability in the well drained soil on uplands at elevations of 4,850 to 5,051 substratum and the resulting hazard of ground water con- feet. It formed in calcareous eolian deposits. tamination from sewage lagoons. Capability subclass IIe Typically the surface layer is pale brown loam about L irrigated. inches thick. The underlying material to a depth of 61 13—Cascajo gravelly sandy loam, 5 to 20 percent inches is very pale brown silt loam. slopes. This is a deep, excessively drained soil on terrace Permeability is moderate. Available water capacity i: edges and upland ridges at elevations of 4,600 to 5,200 high. The effective rooting depth is 60 inches or more • feet. It formed in very gravelly calcareous alluvium. In- Surface runoff is slow, and the erosion hazard is low. eluded in mapping are small areas of soils that are shal- This soil is used almost entirely for irrigated crops. I' low or moderately deep over sandstone and shale. is suited to all crops commonly grown in the area includ • iiillia" WELD COUNTY, COLORADO, SOUTHERN PART 21 •Most methods of irrigation are suitable, but furrow ir- grown crops should be grown at least 50 percent of the rigation is the most common. Proper irrigation water time. Contour ditches and corrugations can be used in ir- management is essential. Barnyard manure and commer- rigating close grown crops and pasture. Furrows, contour cial fertilizer are needed for top yields. furrows, and cross slope furrows are suitable for row In nonirrigated areas this soil is suited to winter wheat, crops. Keeping tillage to a minimum and utilizing crop barley, and sorghum. Most of the acreage is planted to residue help to control erosion. Maintaining fertility is im- winter wheat. The predicted average yield is 25 bushels portant. Crops respond to applications of phosphorus and per acre. The soil is summer fallowed in alternate years nitrogen. to allow moisture accumulation. Generally precipitation is In nonirrigated areas this soil is suited to winter wheat, too low for beneficial use of fertilizer. barley, and sorghum. Most of the acreage is planted to Stubble mulch farming, striperopping, and minimum til- winter wheat. The predicted average yield is 20 bushels lage are needed to control soil blowing and water erosion. per acre. The soil is summer fallowed in alternate years The potential native vegetation is dominated by to allow moisture accumulation. Generally precipitation is western wheatgrass and blue grama. Buffalograss is also too low for beneficial use of fertilizer. present. Potential production ranges from 1,000 pounds in Stubble mulch farming, striperopping, and mimimum favorable years to 600 pounds in unfavorable years. As tillage are needed to control soil blowing and water ero- range condition deteriorates, a blue grama-buffalograss sion. Terracing also may be needed to control water ero- sod forms. Undesirable weeds and annuals invade the site sion. as range condition becomes poorer. The potential native vegetation is dominated by Management of vegetation on this soil should be based western wheatgrass and blue grama. Buffalograss is also on taking half and leaving half of the total annual produc- present. Potential production ranges from 1,000 pounds tion. Range pitting can help in reducing runoff. Seeding is per acre in favorable years to 600 pounds in unfavorable desirable if the range is in poor condition. Western years. As range condition deteriorates, a blue grama-buf- wheatgrass, blue grama, sideoats grama, buffalograss, pu- falograss sod forms. Undesirable weeds and annuals in- bescent wheatgrass, and crested wheatgrass are suitable vade the site as range condition becomes poorer. for seeding. The grass selected should meet the seasonal Management of vegetation on this soil should be based uirements of livestock. It can be seeded into a clean, on taking half and leaving half of the total annual produc- sorghum stubble, or it can be drilled into a firm tion. Range pitting can help in reducing runoff. Seeding is prepared seedbed. Seeding early in spring has proven desirable if the range is in poor condition. Western most successful. wheatgrass, blue grama, sideoats grama, buffalograss, pu- Windbreaks and environmental plantings are generally bescent wheatgrass, and crested wheatgrass are suitable not suited to this soil. Onsite investigation is needed to for seeding. The grass selected should meet the seasonal determine if plantings are feasible. Successful windbreaks requirements of livestock. It can be seeded into a clean, require supplemental water. firm sorghum stubble, or it can be drilled into a firm Openland wildlife, such as pheasant, mourning dove, prepared seedbed. Seeding early in spring has proven and cottontail, are best suited to this soil. Supplemental most successful. water is needed in wildlife habitat development, including Windbreaks and environmental plantings generally are the tree and shrub plantings that serve as nesting areas. not suited to this soil. Onsite investigation is needed to This soil has poor potential for urban and recreational determine if plantings are feasible. Successful windbreaks development. Slow permeability and high shrink swell require supplemental water. create problems in dwelling and road construction. Capa- Openland wildlife, such as pheasant, mourning dove, bility subclass Its irrigated, IVe nonirrigated; Clayey and cottontail, are best suited to this soil. Supplemental Plains range site. water is needed for wildlife habitat development, includ- 28—Heldt silty clay, 3 to 5 percent slopes. This is a ing tree and shrub plantings that serve as nesting areas. deep, moderately well drained soil on plains at elevations This soil has poor potential for urban and recreational of 4,950 to 5,050 feet. It formed in alluvial sediment development. Slow permeabiity and high shrink swell derived from shale. Included in mapping are small areas create problems in dwelling and road construction. Capa- of soils that have a clay loam or silt loam subsoil and sub- bility subclass IIIe irrigated, IVe nonirrigated; Clayey stratum. Plains range site. Typically the surface layer is light brownish gray and 29—Julesburg sandy loam, 0 to 1 percent slopes. This light yellowish brown silty clay about 7 inches thick. The is a deep, well drained soil on terraces at elevations of subsoil is light brownish gray silty day about 21 inches 4,700 to 4,800 feet. It formed in alluvium deposited by the thick. The substratum to a depth of 60 inches is silty clay. South Platte River. Included in mapping are some leveled Permeability is slow. Available water capacity is high. areas and small areas of soils that have a loamy sub- effective rooting depth is 60 inches or more. Surface stratum. off is medium, and the erosion hazard is moderate. Typically the surface layer of this Julesburg soil is In irrigated areas this soil is suited to crops commonly brown sandy loam about 12 inches thick. The subsoil is grown in the area. Perennial grasses and alfalfa or close brown and pale brown sandy loam about 18 inches thick. II ' • 22 SOIL SURVEY I The substratum to a depth of 60 inches is loamy sand and This soil is used almost entirely for irrigated crops. I III sand. is suited to all crops commonly grown in the area, includ Permeability is rapid. Available water capacity is ing corn, sugar beets, beans, alfalfa, small grain, potatoes moderate. The effective rooting depth is 60 inches or and onions. An example of a suitable cropping system is more. Surface runoff is slow, and the erosion hazard is to 4 years of alfalfa followed by corn, corn for silag( low sugar beets, small grain, or beans. Land leveling, ditc This soil is used almost entirely for irrigated crops. It lining, and installing pipelines may be needed for prope is suited to all crops commmonly grown in the area, in- water application. eluding corn, sugar beets, beans, alfalfa, small grain, All methods of irrigation are suitable, but furrow it potatoes, and onions. An example of a suitable cropping rigation is the most common. Barnyard manure and con of alfalfa followed by corn, corn for mercial fertilizer are needed for top yields. systesilage,m is 3 to 4 beets,s small are general] YWindbreaks and environmental plantings sugar grain, or beans. Generally, such suited to this soil. Soil blowing, the principal hazard i the rapidly permeable subst ratum characteristics ascu P Y and shrubs, can be controlled by tr ees slightly restrict ome crops. establishing All methods of irrigation are suitable, but furrow ir- trusting only in the tree row and by leaving a strip t rigation is the most common. Proper irrigation water vegetation between the rows. Supplemental irrigatic management is essential. Barnyard manure and commer- may be needed at the time of planting and during di are needed for top yields. periods. Trees that are best suited and have good surviv cial fertilizer ndero: are Rocky Mountain juniper, eastern redcedar, po enerall and environmental lantings are g y Ti Windbreaks P hackber hazard in pine, Siberian elm, Russian-olive, and ry blowi ng, theprincipal t suited to this soil. Soil lilac, and Sibei sumac shru bs best suited are sk unkbush establishing trees and shrubs, can be controlled by cu]- an peashrub. tivating only in the tree row and by leaving a strip of ildlife is an important secondary use of this soil. T1 vegetation between the rows. Supplemental irrigation cropland areas provide favorable habitat for ring-neck( may by needed at the time of planting and during dry pheasant and mourning dove. Many nongame species ci survival best suited and havegood survnesting and bees periods. Trees that are by establishing areas for I be attracted are Rocky Mountain juniper, eastern redcedar, ponderosa cover. For pheasants, undisturbed nesting cover is esse !;' • pine, Siberian elm, Russian-olive, and hackberry. The tial and should be included in plans for habitat develo shrubs best suited are skunkbush sumac, lilac, and Siberi- ment, especially in areas of intensive agriculture. an peashrub. This soil has good potential for urban and recreation condo use of this soil. Thetrees grow well. T] Wildlife is an important secondary development. Lawns, shrubs, and cropland areas provide favorable habitat for ring-necked only limiting feature of this soil is the rapid permeabili pheasant and mourning dove. Many nongame species can in the substratum, which causes a hazard of ground wat be attracted by establishing areas for nesting and escape contamination from sewage lagoons. Capability subcla cover. For pheasants, undisturbed nesting cover is essen- IIe irrigated. tial and should be included in plans for habitat develop- 31—Kim loam, 0 to 1 percent slopes. This is a de( ment, especially in areas of intensive agriculture. well drained soil on smooth plains and alluvial fans This soil has good potential for urban and recreational elevations of 4,900 to 5,250 feet. It formed in mixed eoli development. Lawns, shrubs, and trees grow well. The deposits and parent sediment from a wide variety only limiting feature of this soil is the rapid permeability bedrock. Included in mapping are small areas of soils tt li of in the substratum, which causes a hazard ground water have loamy sand underlying material. contamination from sewage lagoons. Capability subclass Typically the surface layer is brown and pale broi 12 inches thick. The upper 30 inches of th e under Its irrigated. about PP g 30—Julesburg sandy loam, 1 to 3 percent slopes. This ing material is pale brown loam. The lower part to ofbrown fine sa ndy loam. terraces at elevations of 60 inches is pale Y is a deep, well drained soil on depth 4,700 to 4,800 feet. It formed in alluvium deposited by the Permeability is moderate. Available water capacity South Platte River. Included in mapping are some leveled high. The effective rooting depth is 60 inches or mo areas and small areas of soils that have a loamy sub- Surface runoff is slow, and the erosion hazard is low. stratum. This soil is used almost entirely for irrigated crops. Typically the surface layer of this Julesburg soil is is suited to all crops commonly grown in the area, inch brown sandy loam about 12 inches thick. The subsoil is ing corn, sugar beets, beans, alfalfa, small grain, potatc brown and pale brown sandy loam about 15 inches thick. and onions. An example of a suitable cropping system i The substratum to a depth of 60 inches is loamy sand and to 4 years of alfalfa followed by corn, corn for sila sand. sugar beets, small grain, or beans. Very few conservat • Permeability is rapid. Available water capacity is practices are needed to maintain top yields. moderate. The effective rooting depth is 60 inches or All methods of irrigation are suitable, but furrow more. Surface runoff is slow, and the erosion hazard is rigation is the most common. Barnyard manure and et low. mercial fertilizer are needed for top yields. • J 71 h"\:4t ly\ ?�f as y "�' • {/ '1468 ' / •s W F �` p 4 30 ne Y a 11 50 .� 30 S, sY- k -. t 2 + 29 ft 3 4r 3 r n' .4 p�r r 3� } Mr 4 •c " 1 e �6 n MUTUAL r OOtH)A • ,. , . � �: 30 . s41 69 -c �. 1 29 , 0sie_te ro _ _ fr 2 .. 25 1 8 � ti� �� .x �� P �Tr +�(4l � � - • 26 .: 4 , r t . . 2 � 30 ilk a 9 1 30 ( saw,. `• 1 s., , . .., p e ` to :f p u. Y tOt-y r :1"'' _ e s 1 } i l+e, 1 Apb., 30.A '4 f. 5 t 1 `: . { , .� : yL5 29 29 `t 1 1 2 jrr ao 72i)„, /jjj '5vt. •C. ,►` z 36 t 9,. `e I may,. 75 - - s ,75 ✓y�. `' ( .-. 'w • t . 35 72 1i e w °` Z 7a 3 i'• 04 ., , . , „ .",. t• _ L_, , , ,,, ...„, , -t ` - ort r • �p II -- 7 ' 72 Mff `� s `, ,r 1 r r ±V 4fi"S �� a • 9 ,�z t / 1 _* i .h .. z / 3 � Y 73 a . " f 6 © :roe 4T,.oc f � o _ 4q • k'm Y" 3 10 u- . ± 1ly d 30 �:, m§.� 44 t ./ • 44 A A_ 44 72 � � _ 45 • R.67W R.66 W. 2 200 000 FEE1 1 %< ih Y< 0 1 2 Miles I 1-, .Y F----ti 1--a, — . I I I 4 1 5 000 4 000 3 000 2 000 1 000 0 Scale 1:24 000 5 000 Feet 10 000 Feet 10,000-foot gnu ticks based on state coordinate system. Land diviswn corners, if shown, are approximately positioned. WELD COUNTY, COLORADO, SOUTHERN PART NO. 14 SHEET NO. 14 OF Hello