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HomeMy WebLinkAbout971271.tiff S 3 •t Al ys 4,i j 'y�. i n3 LIMIT or$0IL SVFVEY t x Q/ F y 72 ] 56 47-45i51 \ 73 37 5. 37 L 8 47 r29 37 _���, 48 � - . 280 51 @L 1 t 5 m565 Q, W47 51 7 r r 46 G P . \� r £.14.. . - .t'v AA , 1 $. / -, Aron 4 r s' r. ��' 56 73'; gg 4 q 44,1/4 . ..... 47^� y44*,58 „ , s 4 .k V� 56 :4 73 � ' 1 51 � � l S J 47 '. 56` dill . 51 ( R 1 `'y 6 fI .7%; 1 `I 51 ._y l .. `yi�r ale . *„, a47 -� \ * 47 . `L 0.7 : l , La . t;11. . . "'111«"'.777 48 47 5 4 4 5ZT. 4 a� 1e1/4 . 4 � II 47 v ill47 '47timilL48 ;� 65 j, 53j4r 51 37 1 .. 51 w Er T{ '•4V 4 J,,{ 0. 37 'k' •Y�fi* Irilik\. 37 . + 4 ` .y moo. o;rC„ 7 i. 5z 47 g 971271 _/ 51 y�}� • • • • • SORVP:1' are Rocky Mountain juniper. eastern redcedar, ponderosa ble years to 1.80) pounds in unfavoraole years. As range pine. Siberian elm. Russian-olive, and hackberry. The condition deteriorates, the sand blueste•rn, sand reedgrass, shrubs best suited are skunkbush sumac, lilac, and Siberi- and switchgrass decrease and blue grama, sand ciropseeel. an peashrub. and sand sage increase. Annual weeds and grasses invadr 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 iiotal annual produc- he 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. Me for seeding. The grass selected should meet the Rapid expansion of Greeley and the surrounding area seasonal requirements of livestock. It can he seeded into has resulted in urbanization of much of this Olney soil. a clean, firm sorghum stubble, or it can be 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 are generally hazard of ground water contamination from sewage suited to this soil. Soil blowing, the principal hazard in lagoons. Lawns, shrubs, and trees grow well. Capability establishing trees and shrubs, can be controlled by cul- class I irrigated. tivating only in the tree row and by leaving a strip of -17—Olney fine sandy loam, I 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 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. he 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 cos- 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 and the surrounding area plc 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 Ile irrigated, IVe 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, 3 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 a 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 60 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 8 inches thick. The sub- '[he 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 fine sandy loam. and western wheatgrass are also prominent. Potential Permeability and available water capacity are production ranges from 2,200 pounds per acre in favora- moderate. The effective rooting depth is 60 inches or 971.2' WELD COUNTY, COLORADO, SOUTHERN PART 37 Lawns, shrubs, and trees grow well. Capability subclass may be needed at the time of planting and during dry Its irrigated. periods. Trees that are best suited and have good survival 55—Paoli loam, 1 to 3 percent slopes. This is a deep, are Rocky Mountain juniper, eastern redcedar, ponderosa well drained soil on terraces at elevations of 4,700 to 5,250 pine, Siberian elm, Russian-olive, and hackberry. The feet. It formed in alluvial deposits. Included in mapping shrubs best suited are skunkbush sumac, lilac, and Siberi- are small areas of soils that have a loamy sand surface an peashrub. layer. Wildlife is an important secondary use of this soil. The Typically the surface layer is grayish brown loam about cropland areas provide favorable habitat for ring-necked 22 inches thick. The underlying material to a depth of 60 pheasant and mourning dove. Many nongame species can inches is light brownish gray fine sandy loam. be attracted by establishing areas for nesting and escape Permeability is moderate. Available water capacity is cover. For pheasants, undisturbed nesting cover is essen- high. The effective rooting depth is 60 inches or more. tial and should be included in plans for habitat develop- Surface runoff is slow, and the erosion hazard is low. ment, especially in areas of intensive agriculture. This soil is used almost entirely for irrigated crops. It This soil has good potential for urban and recreational is suited to all crops commonly grown in the area, includ- development. The primary limiting feature is the rapid ing corn, sugar beets, beans, alfalfa, small grain, potatoes, permeability in the substratum, which causes a hazard of and onions. An example of a suitable cropping system is 3 ground water contamination from sewage lagoons. Road to 4 years of alfalfa followed by corn, corn for silage, designs should be modified to compensate for the sugar beets, small grain, or beans. Land leveling, ditch moderate frost potential. Lawns, shrubs, and trees grow lining, and installing pipelines may be needed for proper well. Capability subclass Ile irrigated, IIIe nonirrigated; water application. Overflow range site. All methods of irrigation are suitable, but furrow ir- 56—Renohill clay loam, 0 to 3 percent slopes. This is rigation is the most common. Barnyard manure and com- a moderately deep, well drained soil on plains at eleva- mercial fertilizer are needed for top yields. tions of 4,850 to 5,200 feet. It formed in residuum from This soil is well suited to winter wheat, barley, and shale. Included in mapping are small areas of soils that sorghum if it is summer fallowed in alternate years. have shale deeper than 40 inches. Winter wheat is the principal crop. The predicted average Typically the surface layer is grayish brown clay loam yield is 33 bushels per acre. If the crop is winterkilled, about 9 inches thick. The subsoil is grayish brown and spring wheat can be seeded. Generally precipitation is too pale brown clay loam about 14 inches thick. The sub- low for beneficial use of fertilizer. stratum is pale brown clay loam. Shale is at a depth of Stubble mulch farming, striperopping, and minimum til- about 32 inches. lage are needed to control soil blowing and water erosion. Permeability is slow. Available water capacity is Terracing also may be needed to control water erosion. moderate. The effective rooting depth is 20 to 40 inches. The potential native vegetation is dominated by Surface runoff is medium, and the erosion hazard is western wheatgrass. Blue grama, switchgrass, sand moderate. reedgrass, big bluestem, slender wheatgrass, indiangrass, This soil is suited to most of the irrigated crops com- and green needlegrass are also present. Potential produc- monly grown in the area, but the high clay content and tion ranges from 3,000 pounds per acre in favorable years moderate depth of the soil slightly restrict some crops. A to 2,000 pounds in unfavorable years. As range condition suitable cropping system is corn, corn for silage, barley, 3 deteriorates, the tall grasses decrease, blue grama and to 4 years of alfalfa, and wheat. This soil is also well buffalograss increase, and forage production drops. Un- suited to irrigated pasture. desirable weeds and annuals invade and erosion can occur Furrows can be used in irrigating row crops. Flooding as range condition becomes poorer. from contour ditches is suitable for close grown crops and Management of vegetation on this soil should be based pasture. Production can be maintained by applying bar- on taking half and leaving half of the total annual produc- nyard manure and commercial fertilizer. Keeping tillage tion. Seeding is desirable if the range is in poor condition. to a minimum and utilizing crop residue are important. Western wheatgrass, switchgrass, sand reedgrass, In nonirrigated areas this soil is suited to winter wheat, sideoats grama, pubescent wheatgrass, intermediate barley, and sorghum. Most of the acreage is planted to wheatgrass, and blue grama are suitable for seeding. The winter wheat. The predicted average yield is 25 bushels grass selected should meet the seasonal requirements of per acre. The soil is summer fallowed in alternate years livestock. It can be seeded into a firm, prepared seedbed. to allow moisture accumulation. Generally precipitation is A grass drill should be used. Seeding early in spring has too low for beneficial use of fertilizer. proven most successful. Stubble mulch farming, striperopping, and minimum til- Windbreaks and environmental plantings are generally lage are needed to control soil blowing and water erosion. suited to this soil. Soil blowing, the principal hazard in The potential native vegetation is dominated by establishing trees and shrubs, can be controlled by cul- western wheatgrass and blue grama. Buffalograss is also tivating only in the tree row and by leaving a strip of present. Potential production ranges from 1,000 pounds vegetation between the rows. Supplemental irrigation per acre in favorable years to 600 pounds in unfavorable 9'712'7. 38 SOIL SURVEY years. As range condition deteriorates, a blue grama-buf- Closely spaced contour ditches can be used in irrigating falograss sod forms. Undesirable weeds and annuals in- close grown crops. Contour furrows should be used for vade the site as range condition becomes poorer. row crops. Applications of barnyard manure and commer- Management of vegetation on this soil should be based cial fertilizer help to maintain good production. Keeping on taking half and leaving half of the total annual produc- tillage to a minimum and utilizing crop residue are impor- tion. Range pitting can reduce runoff. Seeding is desirable tant. if the range is in poor condition. Western wheatgrass, The potential native vegetation is dominated by blue grama, sideoats grama, buffalograss, pubescent western wheatgrass and blue grama. Buffalograss is also wheatgrass, and crested wheatgrass are suitable for seed- present. Potential production ranges from 1,000 pounds ing. The grass selected should meet the seasonal require- per acre in favorable years to 600 pounds in unfavorable ments of livestock. It can be seeded into a clean, firm years. As range condition deteriorates, a blue grama-buf- sorghum stubble, or it can be drilled into a firm prepared falograss sod forms. Undesirable weeds and annuals in- seedbed. Seeding early in spring has proven most success- vade the site as range condition becomes poorer. ful. Management of vegetation on this soil should be based Windbreak and environmental plantings are generally on taking half and leaving half of the total annual produc- not suited to this soil. Onsite investigation is needed to tion. Range pitting can reduce runoff. Seeding is desirable determine if plantings are feasible. Supplemental water is if the range is in poor condition. Western wheatgrass, needed for successful plantings. blue grama, sideoats grama, buffalograss, pubescent Wildlife is an important secondary use of this soil. The wheatgrass, and crested wheatgrass are suitable for seed- cropland areas provide favorable habitat for ring-necked ing. The grass selected should meet the seasonal require- pheasant and mourning dove. Many nongame species can menu of livestock. It can be seeded into a clean, firm be attracted by establishing areas for nesting and escape sorghum stubble, or it can be drilled into a firm prepared cover. For pheasant, undisturbed nesting is essential and seedbed. Seeding early in spring has proven most success- should be included in plans for habitat development, espe- ful. cially in areas of intensive agriculture. Rangeland wildlife, Windbreaks and environmental plantings are generally for example, the pronghorn antelope, can be attracted by not suited to this soil. refea investigation is needed to developing livestock watering facilities, managing determine if plantings are feasible. Supplemental water is livestock grazing, and reseeding where needed. needed for successful plantings. Wildlife is an important secondary use of this soil. The This soil has poor potential for urban uses and only cropland areas provide favorable habitat for ring-necked moderate potential for recreational development. The chief limiting features are the underlying shale, the low pheasant and mourning dove. Many r nests a species can strength, and the moderate to high shrink swell. These be attracted by establishing areas for nesting and escape features present severe problems in dwelling and road cover. For pheasants, undisturbed nesting cover is develop- construction - and in use of septic tank absorption fields mte and should be included in plans for habitat Range- and sewage lagoons. Capability subclass Ills irrigated, ment, especially in areas of intensive agriculture.IVe nonirrigated; Clayey Plains range site. land wildlife, for example, the pronghorn antelope, can be 57—Renohill clay loam, 3 to 9 percent slopes. This is attracted by developing livestock watering facilities, managing livestock grazing, and reseeding where needed. a moderately deep, well drained soil on upland hills and ridges at elevations of 4,850 to 5,200 feet. It formed in devvetos msoen has a poor chief limiti for urban and recreational from shale. Included in mapping are small areas ing shale, thet. The nmh,na andf the es are the uo high of soils that have shale deeper than 40 inches. ing shale, low strength, moderate le high Typically the surface layer is grayish brown clay loam shrink swell. These features present severe problems in about 9 inches thick. The subsoil is dwelling and road construction and in use of septic tank grayish brown and absorption fields and sewage lagoons. Capability subclass pale brown clay loam about 12 inches thick. The sub- IVe irrigated, VIe nonirrigated; Clayey Plains range site. strat stratum is 2 in hale pale brown clay loam. Shale is at a depth of 58—Shingle loam, 1 to 3 percent slopes. This is a shal- low, well drained soil on plains at elevations of 4,850 to Permeability is slow. Available water capacity is 5,200 feet. It formed in residuum from shale. Included in moderate. The effective rooting depth is 20 to 40 inches. mapping are some small areas of shale and sandstone out- Surface runoff is medium to rapid, and the erosion hazard crops. is moderate. This soil is suited to limited cropping. Intensive Typically the surface layer is grayish brown loam about pp g• 6 inches thick. The underlying material is light yellowish cropping is hazardous because of erosion. The cropping brown clay loam. Shale is at a depth of about 18 inches. system should be limited to such close grown crops as al- Permeability is moderate. Available water capacity is falfa, wheat, and barley. The soil also is suited to ir- low. The effective rooting depth is 10 to 20 inches. Sur- rigated pasture. A suitable cropping system is 3 to 4 face runoff is medium, and the erosion hazard is low. years of alfalfa followed by 2 years of corn and small This soil is suited only to limited cropping. A suitable grain and alfalfa seeded with a nurse crop. cropping system is 3 to 4 years of alfalfa and 2 years of 974 :31 .d4 I WELD COUNTY, COLORADO, SOUTHERN P. tour ditches can be used in irrigating small grain or irrigated pasture. This soil has severe orates, the mid 1 contour furrows should be used for restrictions and requires very careful management. Most drops. Undesirab. ms of barnyard manure and commer- irrigation methods are suitable, but the length of runs range condition b 3 maintain good production. Keeping should be short to prevent overirrigation. Light, frequent Management of and utilizing crop residue are impor- irrigations are best. Barnyard manure and commercial on taking half an. fertilizer are needed for normal yields. tion. Seeding is d itive vegetation is dominated by The potential native vegetation is dominated by alkali Western wheatgi and blue grama. Buffalograss is also sacaton, western wheatgrass, and blue grama. Buf- grama, little blue )roduction ranges from 1,000 pounds falograss, sideoats grama, needleandthread, little wheatgrass are e years to 600 pounds in unfavorable bluestem, sedge, winterfat, and fourwing saltbush are also should meet the dition deteriorates, a blue grama-buf- present. Potential production ranges from 800 pounds per be seeded into a . Undesirable weeds and annuals in- acre in favorable years to 500 pounds in unfavorable drilled into a fi ;e condition becomes poorer. years. As range condition deteriorates, the mid grasses spring has prove egetation on this soil should be based decrease and forage production drops. Undesirable weeds Windbreaks ai caving half of the total annual produc- and annuals invade the site as range condition becomes not suited to th :an reduce runoff. Seeding is desirable poorer. determine if plat poor condition. Western wheatgrass, Management of vegetation on this soil should be based Rangeland wi ats grama, buffalograss, pubescent on taking half and leaving half of the total annual produc- coyote, are best sted wheatgrass are suitable for seed- tion. Seeding is desirable if the range is in poor condition. tion is typically •ted should meet the seasonal require- Western wheatgrass, blue grama, alkali sacaton, sideoats livestock and wi. It can be seeded into a clean, firm grama, little bluestem, pubescent wheatgrass, and crested facilities also an • it can be drilled into a firm prepared wheatgrass are suitable for seeding. The grass selected This soil has .rly in spring has proven most success- should meet the seasonal requirements of livestock. It can development. T be seeded into a clean, firm sorghum stubble or it can be depth to shale. environmental plantings are generally drilled into a firm prepared seedbed. Seeding early in nonirrigated; Sh coil. Onsite investigation is needed to spring has proven most successful. 60—Shingle-I igs are feasible. Supplemental water is Windbreaks and environmental plantings are generally This gently slot Id plantings. not suited to this soil. Onsite investigation is needed to plains, hills, and portant secondary use of this soil. The determine if plantings are feasible. The Shingle soi vide favorable habitat for ring-necked Rangeland wildlife, such as antelope, cottontail, and and the Renohi ring dove. Many nongame species can coyote, are best suited to this soil. Because forage produc- is Tassel fine ablishing areas for nesting and escape tion is typically low, grazing management is needed if steeper, convex ts, undisturbed nesting cover is essen- livestock and wildlife share the range. Livestock watering soil occupies th, included in plans for habitat develop- facilities also are utilized by various wildlife species. The Shingle areas of intensive agriculture. Range- This soil has poor potential for urban development. The in residuum fn sample, the pronghorn antelope, can be chief limiting feature is the shallow depth to shale. Capa- layer is grayish eloping livestock watering facilities, bility subclass IVs irrigated, VIs nonirrigated; Shaly derlying materi grazing, and reseeding where needed. Plains range site. careous clayey n- potential for urban and recreational 59—Shingle loam, 3 to 9 percent slopes. This is a shal- Permeability 2hief limiting features are the underly- low, well drained soil on upland hills and ridges at eleva- low. The effect strength, and the moderate to high tions of 4,850 to 5,200 feet. It formed in residuum from face runoff is i e features present severe problems in shale. Included in mapping are some small outcrops of moderate. construction and in use of septic tank shale and sandstone. The Renohill nd sewage lagoons. Capability subclass Typically the surface layer is grayish brown loam about It formed in r nonirrigated; Clayey Plains range site. 4 inches thick. The underlying material is light yellowish layer is grayisl m, 1 to 3 percent slopes. This is a shal- brown clay loam about 10 inches thick. Shale is at a depth subsoil is gray soil on plains at elevations of 4,850 to of about 16 inches. 14 inches thick ed in residuum from shale. Included in Permeability is moderate. Available water capacity is depth of about small areas of shale and sandstone out- low. The effective rooting depth is 10 to 20 inches. Sur- Permeability face runoff is medium to rapid, and the erosion hazard is moderate. The dace layer is grayish brown loam about moderate. Surface runof underlying material is light yellowish The potential native vegetation on this soil is moderate. hale is at a depth of about 18 inches. dominated by alkali sacaton, western wheatgrass, and This unit is I moderate. Available water capacity is blue grama. Buffalograss, sideoats grama, needle- potential nati rooting depth is 10 to 20 inches. Sur- andthread, little bluestem, sedge, winterfat, and fourwing dominated by ium, and the erosion hazard is low. saltbush are also present. Potential production ranges blue grama. ed only to limited cropping. A suitable from 800 pounds per acre in favorable years to 500 andthread, lilt s 3 to 4 years of alfalfa and 2 years of pounds in unfavorable years. As range condition deteri- saltbrush are 9712;1 Hello