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Home My WebLink About20021067 • 1 Ni j f ;, as ,Y NZ It IRV- �- dam" ^ *+ ,, i 7. 40111,10 ` 1 ' � '# EYv g (r 5 i ,i S I': ti: r .+ » '., yyyy �„^,� si � ��ea .�� dam. �✓.Z,� "t � l X.je... ,:F X30 y,. 1 `K-....1 u ct T• } T tile '4 } `sue." a tlic kf 11--..c c_ fi. qty{ f ry I -1- .: >z'w u t E i tr,_ � i r S 1µIlwe i .t or. 1 4,$ , dab 2,2' ( L.l . 1 O vp d� tt ,, s t :Rv n,,, .. tic r N' +d 3 + '..i..-_---`tk . .dam- 5k _ .sX.. Y ` '`1)Ir :' rc a} AT5 ; 1 * . .. DES₹ s t jog N I a: 2002-1067 M x + FV" EXHIBIT .x a r5;'N" S { Ole/ 30 SOIL SURVEY Permeability is moderately slow. Available water In irrigated areas this soil is suited to the crops corn- capacity is high. The effective rooting depth is 60 inches monly grown in the area. Perennial grasses and alfalfa or or more. Surface runoff is slow, and the erosion hazard is close grown crops should be grown at least 50 percent of low. the time. Contour ditches and corrugations can be used in In irrigated areas this soil is suited to the crops corn- irrigating crops and pasture. Furrows, contour furrows, monly grown in the area. Perennial grasses and alfalfa or and cross slope furrows are suitable for row crops. Sprin- close grown crops should be grown at least 50 percent of kler irrigation is also desirable. Keeping tillage to a the time. Contour ditches and corrugations can be used in minimum and utilizing crop residue help to control ero- irrigating close grown crops and pasture. Furrows, con- sion. Maintaining fertility is important. Crops respond to c tour furrows, and cross slope furrows are suitable for row applications of phosphorus and nitrogen. r crops. Sprinkler irrigation is also desirable. Keeping til- In nonirrigated areas this soil is suited to winter wheat, 5 lage to a minimum and utilizing crop residue help to con- barley, and sorghum. Most of the the acreage is planted j trol erosion. Maintaining fertility is important. Crops to winter wheat. The predicted average yield is 20 respond to applications of phosphorus and nitrogen. bushels per acre. The soil is usually summer fallowed in In nonirrigated areas this soil is suited to winter wheat, alternate years to allow moisture accumulation. Generally barley, and sorghum. Most of the acreage is planted to precipitation is too low for beneficial use of fertilizer. winter wheat. The predicted average yield is 28 bushels Stubble mulch farming, striperopping, and minimum til- per acre. The soil is summer fallowed in alternate years lage are needed to control soil blowing and water erosion. to allow moisture accumulation. Generally precipitation is Terracing also may be needed to control water erosion. too low for beneficial use of fertilizer. The potential native vegetation on this range site is Stubble mulch farming, striperopping, and minimum til- dominated by sand bluestem, sand reedgrass, and blue lage are needed to control soil blowing. grama. Needleandthread, switchgrass, sideoats grama, Windbreaks and environmental plantings are generally and western wheatgrass are also prominent. Potential suited to this soil. Soil blowing, the principal hazard in production ranges from 2,200 pounds per acre in favora- establishing trees and shrubs, can be controlled by cul- ble years to 1,800 pounds in unfavorable years. As range tivating only in the tree row and by leaving a strip of condition deteriorates, the sand bluestem, sand reedgrass, vegetation between the rows. Supplemental irrigation and switchgrass decrease and blue grama, sand dropseed, may be needed at the time of planting and during dry and sand sage increase. Annual weeds and grasses invade periods. Trees that are best suited and have good survival the site as range condition becomes poorer. are Rocky Mountain juniper, eastern redcedar, ponderosa Management of vegetation on this soil should be based pine, Siberian elm, Russian-olive, and hackberry. The on taking half and leaving half of the total annual produc- shrubs best suited are skunkbush sumac, lilac, and Siberi- tion. Seeding is desirable if the range is in poor condition. an peashrub. Sand bluestem, sand reedgrass, switchgrass, sideoats Wildlife is an important secondary use of this soil. rams blue grama, pubescent wheatgrass, and crested Ring-necked pheasant, mourning dove, and many non- g , wheatgrass are suitable for seeding. The grass selected game species can be attracted by establishing areas for should meet the seasonal requirements of livestock. It can nesting and escape cover. For pheasants, undisturbed nesting cover is essential and should be included in plans be seeded into a clean, firm sorghum stubble, or it can be for habitat development, especially in areas of intensive drilled into a firm prepared seedbed. Seeding early in agriculture. spring has proven most successful. Few areas of this Nunn soil are in major growth and Windbreaks and environmental plantings are generally urbanized centers. The sandy surface layer, the moderate suited to this soil. Soil blowing, the principal hazard in shrink-swell potential in the subsoil, and the hazard of establishing trees and shrubs, can be controlled by cul- rare flooding along Box Elder Creek are the chief limit- tivating only in the tree row and by leaving a strip of ing features for development. Capability subclass IIIe h.- vegetation between the rows. Supplemental irrigation rigated, IVe nonirrigated. may be needed at the time of planting and during dry .44 Ma Say asado ts3 peresatmlopes This is a Periods. Trees that are best suited and have good survival deep, well drained soil on smooth plains at elevations of are Rocky Mountain juniper, eastern redcedar, ponderosa 4,600 to 5,200 feet. It formed in mixed outwash deposits. Pine, Siberian elm, Russian-olive, and hackberry. The Included in mapping are some small leveled areas. shrubs best suited are skunkbush sumac, lilac, and Siberi- Typically the surface layer is grayish brown loamy sand an peashrub. about 9 inches thick. The subsoil is yellowish brown and Wildlife is an important secondary use of this soil. The very pale brown sandy clay loam about 15 inches thick. cropland areas provide favorable habitat for ring-necked The substratum to a depth of 60 inches is very pale pheasant and mourning dove. Many nongame species can A 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 slow, and the erosion hazard is ment, especially in areas of intensive agriculture. Range- low. land wildlife, for example, the pronghorn antelope, can be • 1 rWELD COUNTY, COLORADO, SOUTHERN PART it r:, ,uited to the crops coin- 1 attracted by developing livestock watering facilities, establishing trees and shruk arennial grasses and alfalfa or managing livestock grazing and reseeding where needed. tivating only in the tree ro grown at least 50 percent of This soil has good potential for urban development. The vegetation between the ro id corrugations can be used in only limiting feature is the moderately rapid permeability may be needed at the time e. Furrows, contour furrows, in the substratum, which causes a hazard of ground water periods. Trees that are best suitable for row crops. Sprin- contamination from sewage lagoons. The loamy sand sur- are Rocky Mountain juniper, arable. Keeping tillage to a face layer is a limitation for recreational development. pine, Siberian elm, Russiar i residue help to control ero- Once established, the lawns, shrubs, and trees grow well. shrubs best suited are skunk important. Crops respond to Capability subclass IIIe irrigated, IVe nonirrigated; an peashrub. nd nitrogen. Sandy Plains range site. Wildlife is an important se soil is suited to winter wheat, 45—Olney loamy sand, 3 to 5 percent slopes. This is a cropland areas provide favor of the the acreage is planted deep, well drained soil on plains at elevations of 4,600 to pheasant and mourning dove edicted average yield is 20 5,200 feet. It formed in mixed outwash deposits. Included be attracted by establishing s usually summer fallowed in in mapping are small areas of soils that have sandstone cover. For pheasants, undistt isture accumulation. Generally and shale within a depth of 60 inches and some small tial and should be included i ieneficial use of fertilizer. leveled areas. ment, especially in areas of i .riperopping, and minimum til- Typically the surface layer of this Olney soil is grayish land wildlife, for example, th• oil blowing and water erosion. brown loamy sand about 7 inches thick. The subsoil is yel- attracted by developing li ad to control water erosion. lowish brown and very pale brown sandy clay loam about managing livestock grazing, a .etation on this range site is 14 inches thick. The substratum to a depth of 60 inches is This soil has good potential ,m, sand reedgrass, and blue very pale brown, calcareous fine sandy loam. only limiting feature is the m switchgrass, sideoats grama, Permeability and available water capacity are in the substratum, which cam Lre also prominent. Potential moderate. The effective rooting depth is 60 inches or contamination from sewage 1: )0 pounds per acre in favora- more. Surface runoff is slow, and the erosion hazard if face layer is a limitation fo r unfavorable years. As range low. Once established, the lawns, and bluestem, sand reedgrass, In irrigated areas this soil is suited to the crops corn- Capability subclass IIIe irrig: id blue grama, sand dropseed, monly grown in the area. Perennial grasses and alfalfa or Plains range site. rua :eds and grasses invade close grown crops should be grown at least 50 percent of 46—Olney fine sandy loa 'ecomes poorer. the time. Close grown crops and pasture can be irrigated This is a deep, well drained sc n on this soil should be based with contour ditches and corrugations. Furrows, contour tions of 4,600 to 5,200 feet. I alf of the total annual produc- furrows, and cross slope furrows are suitable for row deposits. Included in mapping the range is in poor condition. crops. Sprinkler irrigation is also desirable. Keeping til- have a dark surface layer and ]grass, switchgrass, sideoats lage to a minimum and utilizing crop residue help to con- Typically the surface layer ,ent wheatgrass, and crested trol erosion. Maintaining fertility and organic matter con- brown fine sandy loam about seeding. The grass selected tent is important. Crops respond to barnyard manure and is yellowish brown and very luirements of livestock. It can commercial fertilizer. about 15 inches thick. The si sorghum stubble, or it can be The potential native vegetation on this range site is inches is very pale brown, cal( ?d seedbed. Seeding early in dominated by sand bluestem, sand reedgrass, and blue Permeability and availa ,essful. grama. Needleandthread, switchgrass, sideoats grama, moderate. The effective rooi nental plantings are generally and western wheatgrass are also prominent. Potential more. Surface runoff is slow wing, the principal hazard in production ranges from 2,200 pounds per acre in favora- low. bs, can be controlled by cul- ble years to 1,800 pounds in unfavorable years. As range This soil is used almost eni ow and by leaving a strip of condition deteriorates, the sand bluestem, sand reedgrass, is suited to all crops common] ows. Supplemental irrigation and switchgrass decrease and blue grama, sand dropseed, ing corn, sugar beets, beans, a a of planting and during dry and sand sage increase. Annual weeds and grasses invade and onions. An example of a s suited and have good survival the site as range condition becomes poorer. to 4 years of alfalfa followe •, eastern redcedar, ponderosa Management of vegetation on this soil should be based sugar beets, small grain, or be m-olive, and hackberry. The on taking half and leaving half of the total annual produc- tices are needed to maintain tr kbush sumac, lilac, and Siberi- tion. Seeding is desirable if the range is in poor condition. All methods of irrigation a Sand bluestem, sand reedgrass, switchgrass, sideoats rigation is the most common. secondary use of this soil. The grama, blue grama, pubescent wheatgrass, and crested mercial fertilizer are needed fi gable habitat for ring-necked wheatgrass are suitable for seeding. The grass selected Windbreaks and environme e. Many nongame species can should meet the seasonal requirements of livestock. It can suited to this soil. Soil blowi • areas for nesting and escape be seeded into clean, firm sorghum stubble, or it can be establishing trees and shrubs :ur'"' nesting cover is essen- drilled into a firm prepared seedbed. Seeding early in tivating only in the tree row in .ns for habitat develop- spring has proven most successful. vegetation between the row intensive agriculture. Range- Windbreaks and environmental plantings are generally may be needed at the time i he pronghorn antelope, can be suited to this soil. Soil blowing, the principal hazard in periods. Trees that are best su 1G NONTECHNICAL SOILS DESCRIPTIC EPOIT Nr. and Mrs. David Co:. y"^ ; Soil name and description 5, .i 44 ' Olney loamy sand, 1 to 3 percent slopes The Olney soil is a deep, well drained soil. It is formed on smooth plains in mixed outwash deposits. The surface is a loamy sand. The subsoil is a sandy clay loam. The underlying material is a calcareous fine sandy loam. The soils have moderate permeability. Their available water holding capacity is moderate. Roots penetrate to 60 inches or more. Runoff is slow and the erosion hazard due to wind is high. Hello