The URL can be used to link to this page

Browse Search

Home My WebLink About991414.tiff SOILS CLASSIFICATION AND DESCRIPTION SUMMARY Information taken from the Soil Survey of Weld County, Colorado(Southern Part) as prepared by the Soils Conservation Service SOIL CLASSIFICATION: 47 -Olney Fine Sandy Loam- 1%to 3%slope 52 -Otero Sandy Loam-3%to 5%slope 79 -Weld Loam- 1%to 3%slope Prepared By INTERMILL LAND SURVEYING,INC. 1301 North Cleveland Avenue Loveland, Colorado (970)669-0516 F y 991414 32 SOIL SURVEY are Rocky Mountain juniper, eastern redcedar, ponderosa ble 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, switehgrass, sideoats tial and should be included in plans for habitat develop- grama, blue grams, and pubescent wheatgrass are suita- ment, especially in areas of intensive agriculture. ble for seeding. The grass selected should meet 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 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 oil- 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 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 and 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 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- 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 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 WELD COUNTY, COLORADO, SOUTHERN PART 35 and switchgrass decrease and blue grama, sand dropseed, should be grown at least 50 percent of the time. Contour --vnd sand sage increase. Annual weeds and grasses invade ditches and corrugations can be used in irrigating close ne site as range condition becomes poorer. grown crops and pasture. Furrows, contour furrows, and Management of vegetation on this soil should be based cross slope furrows are suitable for row crops. Sprinkler on taking half and leaving half of the total annual produc- irrigation is also desirable. Keeping tillage to a minimum tion. Seeding is desirable if the range is in poor condition. and utilizing crop residue help to control erosion. Main- Sand bluestem, sand reedgrass, switchgrass, sideoats taining fertility is important. Crops respond to applica- grama, blue grama, pubescent wheatgrass, and crested tions of phosphorus and nitrogen. wheatgrass are suitable for seeding. The grass selected The potential native vegetation on this site is should meet the seasonal requirements of livestock. It can dominated by sand bluestem, sand reedgrass, and blue be seeded into a clean, firm stubble, or it can be drilled grama. Needleandthread, switchgrass, sideoats grama, into a firm prepared seedbed. Seeding early in spring has and western wheatgrass are also prominent. Potential proven most successful. production ranges from 2,200 pounds per acre in favora- Windbreaks and environmental plantings are generally ble years to 1,800 pounds in unfavorable years. As range suited to this soil. Soil blowing, the principal hazard in condition deteriorates, the sand bluestem, sand reedgrass, establishing trees and shrubs, can be controlled by cul- and switchgrass decrease, and blue grama, sand dropseed, tivating only in the tree row and by leaving a strip of and sand sage increase. Annual weeds and grasses invade vegetation between the rows. Supplemental irrigation the site as range condition becomes poorer. may be needed at the time of planting and during dry Management of vegetation on this soil should be based periods. Trees that are best suited and have good survival on taking half and leaving half of the total annual produc- are Rocky Mountain juniper, eastern redcedar, ponderosa tion. Seeding is desirable if the range is in poor condition. pine, Siberian elm, Russian-olive, and hackberry. The Sand bluestem, sand reedgrass, switchgrass, sideoats shrubs best suited are skunkbush sumac, lilac, and Siberi- grama, blue grams, pubescent wheatgrass, and crested an peashrub. wheatgrass are suitable for seeding. The grass selected Wildlife is an important secondary use of this soil. should meet the seasonal requirements of livestock. It can Ring-necked pheasant, mourning dove, and many non- be seeded into a clean, firm sorghum stubble, or it can be game species can be attracted by establishing areas for drilled into a firm prepared seedbed. Seeding early in nesting and escape cover. For pheasants, undisturbed spring has proven most successful. nesting cover is essential and should be included in plans Windbreaks and environmental plantings are generally ""hr habitat development, especially in areas of intensive suited to this soil. Soil blowing, the principal hazard in griculture. establishing trees and shrubs, can be controlled by cul- Rapid expansion of Greeley and the surrounding area tivating only in the tree row and by leaving a strip of has resulted in urbanization of much of this Otero soil. vegetation between the rows. Supplemental irrigation This soil has excellent potential for urban and recrea- may be needed at the time of planting and during dry tional development. The only limiting feature is the periods. Trees that are best suited and have good survival moderately rapid permeability in the substratum, which are Rocky Mountain juniper, eastern redcedar, ponderosa causes a hazard of ground water contamination from pine, Siberian elm, Russian-olive, and hackberry. The sewage lagoons. Lawns, shrubs, and trees grow well. shrubs best suited are skunkbush sumac, lilac, and Siberi- Capability subclass IIIe irrigated, IVe nonirrigated; an peashrub. Sandy Plains range site. Wildlife is an important secondary use of this soil. 52—Otero sandy loam, 3 to 5 percent slopes. This is a Ring-necked pheasant, mourning dove, and many non- deep, well drained soil on plains at elevations of 4,700 to game species can be attracted by establishing areas for 5,250 feet. It formed in mixed outwash and eolian nesting and escape cover. For pheasants, undisturbed deposits. Included in mapping are small areas of soils that nesting cover is essential and should be included in plans have loam and clay loam underlying material. Also in- for habitat development, especially in areas of intensive eluded are small areas of soils that have sandstone and agriculture. shale within a depth of 60 inches. Rapid expansion of Greeley and the surrounding area Typically the surface layer of this Otero soil is brown has resulted in urbanization of much of this Otero soil. sandy loam about 10 inches thick. The underlying material The soil has excellent potential for urban and recreational to a depth of 60 inches is pale brown calcareous fine development. The only limiting feature is the moderately sandy loam. rapid permeability in the substratum, which causes a Permeability is rapid. Available water capacity is hazard of ground water contamination from sewage moderate. The effective rooting depth is 60 inches or lagoons. Lawns, shrubs, and trees grow well. Capability more. Surface runoff is medium, and the erosion hazard is subclass IIIe irrigated, VIe nonirrigated; Sandy Plains low. range site. This soil is used almost entirely for irrigated crops. It 53—Otero sandy loam, 5 to 9 percent slopes. This is a s suited to the crops commonly grown in the area. deep, well drained soil on plains at elevations of 4,700 to erennial grasses and alfalfa or close growing crops 5,250 feet. It formed in mixed outwash and eolian 50 SOIL SURVEY sugar beets, small grain, or beans. Few conservation prac- The potential native vegetation is dominated by blue tices are needed to maintain top yields. grama. Several mid grasses, such as western wheatgrass All methods of irrigation are suitable, but furrow ir- and needleandthread, are also present. Potential produc- rigation is the most common. Barnyard manure and com- tion ranges from 1,600 pounds per acre in favorable years mercial fertilizer are needed for top yields. to 1,000 pounds in unfavorable years. As range condition Windbreaks and environmental plantings generally are deteriorates, the mid grasses decrease; blue grama, buf- well suited to this soil. Summer fallow a year before falograss, snakeweed, yucca, and fringed sage increase; planting and continued cultivation for weed control are and forage production drops. Undesirable weeds and an- needed to insure establishment and survival of plantings. nuals invade the site as range condition becomes poorer. Trees that are best suited and have good survival are Management of vegetation on this soil should be based Rocky Mountain juniper, eastern redcedar, ponderosa on taking half and leaving half of the total annual produc- pine, Siberian elm, Russian-olive, and hackberry. The tion. Seeding is desirable if the range is in poor condition. shrubs best suited are skunkbush sumac, lilac, Siberian Sideoats grama, little bluestem, western wheatgrass, blue peashrub, and American plum. grama, pubescent wheatgrass, and crested wheatgrass are Openland wildlife, such as pheasant, mourning dove, suitable for seeding. The grass selected should meet the and cottontail, are best suited to this soil. Wildlife habitat seasonal requirements of livestock. It can be seeded into development, including tree and shrub plantings and a clean, firm sorghum stubble, or it can be drilled into a grass plantings to serve as nesting areas, should be suc- firm prepared seedbed. Seeding early in spring has cessful without irrigation in most years. Under irrigation, proven most successful. good wildlife habitat can be established, benefiting many Windbreaks and environmental plantings are generally kinds of openland wildlife. well suited to this soil. Summer fallow a year before This soil has good potential for urban and recreational planting and continued cultivation for weed control are development. The chief limiting soil features for urban needed to insure establishment and survival of plantings. development are the shrink-swell potential of the subsoil Trees that are best suited and have good survival are as it wets and dries and the limited capacity of the soil to Rocky Mountain juniper, eastern redcedar, ponderosa support a load. Lawns, shrubs, and trees grow well. Capa- pine, Siberian elm, Russian-olive, and hackberry. The biiity class I irrigated. shrubs best suited are skunkbush sumac, lilac, Siberian 79—Weld loam, 1 to 3 percent slopes. This is a deep, peashrub, and American plum. well drained soil on smooth plains at elevations of 4,850 to Openland wildlife, such as pheasant, mourning dove, 5,000 feet. It formed in eolian deposits. Included in and cottontail, are best suited to this soil. Wildlife habitat mapping are small areas of soils that have a subsoil of development, including tree and shrub plantings and loam and light clay loam. Also included are some leveled grass plantings to serve as nesting areas, should be suc- areas. cessful without irrigation during most years. Under ir- Typically the surface layer of this Weld soil is brown rigation, good wildlife habitat can be established, benefit- loam about 8 inches thick. The subsoil is brown and pale ing many kinds of openland wildlife. brown heavy clay loam and light clay about 20 inches This soil has good potential for urban and recreational thick. The substratum to a depth of 60 inches is silt loam. development. The chief limiting soil features for urban Permeability is slow. Available water capacity is high. development are the shrink-swell potential of the subsoil The effective rooting depth is 60 inches or more. Surface as it wets and dries and the limited capacity of the soil to runoff is slow, and the erosion hazard is low. support a load. Lawns, shrubs, and trees grow well. Capa- In irrigated areas this soil is suited to all crops com- bility subclass Ile irrigated, Inc nonirrigated; Loamy monly grown in the area, including corn, sugar beets (fig. Plains range site. 8), beans, alfalfa, small grain, and onions. An example of a SO—Weld loam, 3 to 5 percent slopes. This is a deep, suitable cropping system is 3 to 4 years of alfalfa fol- well drained soil on plains at elevations of 4,850 to 5,000 lowed by corn, corn for silage, sugar beets, small grain, or feet. It formed in eolian deposits. Included in mapping are beans. Land leveling, ditch lining, and installing pipelines small areas of soils that have a subsoil of loam and light are needed for proper water applications. clay loam. All methods of irrigation are suitable, but furrow ir- Typically the surface layer is brown loam about 8 rigation is the most common. Barnyard manure and com- inches thick. The subsoil is brown and pale brown heavy mercial fertilizer are needed for top yields. clay loam and light clay about 18 inches thick. The sub- This soil is well suited to winter wheat, barley, and stratum to a depth of 60 inches is silt loam. sorghum if it is summer fallowed in alternate years. Permeability is slow. Available water capacity is high. Winter wheat is the principal crop. The predicted average The effective rooting depth is 60 inches or more. Surface yield is 33 bushels per acre. If the crop is winterkilled, runoff is medium, and the erosion hazard is moderate. spring wheat can be seeded. Generally precipitation is too In irrigated areas this soil is suited to most of the crops 'j low for beneficial use of fertilizer. commonly grown in the area, such as corn, alfalfa, wheat, Stubble mulch farming, striperopping, and minimum til- and barley. Sugar beets are often grown. The soil is lage are needed to control soil blowing and water erosion. suited to irrigated pasture. Ditch lining and installing Terracing also may be needed to control water erosion. pipelines are needed for proper water application. I I 98 SOIL SURVEY TABLE 5.--YIELDS PER ACRE OF IRRIGATED CROPS--Continued Soil name and I ' Beans, ". map symbol ;Alfalfa hay Sugar beets Corn Corn silage; dry pinto Onions i Potatoes Ton Ton Bu Ton Lb Sack Cwt 47 5.5 23 160 33 2400 525 325 Olney 48 4.0 --- 100 25 1800 --- --- Olney 49 3.0. --- 80 20 -__ --- --- Osgood 50 5.5 23 170 33 2400 525 325 Otero 51 5.0 22 150 30 1800 500 --- Otero 52 4.0 18 100 25 --- --- --- Otero 53 3.0 --- 80 20 --- --- --- Otero 54 5.0 23 180 35 2700 --- 350 Paoli 55 5.0 23 160 33 2400 --- 325 Paoli 56 3.0 18 100 25 --- --- --- Renohill 57 2.0 --- 80 20 --- --- --- Renohill r^ 58 2.0 --- --- 17 ___ ___ --- Shingle 59 --- ___ _-_ ___ ___ ___ --- Shingle 60 --- ___ _-- ___ ___ ___ --- Shingle 61 --- --- ___ _-_ ___ -__ --- Tassel 62 4.0 20 120 30 2400 --- --- Terry -63 3.0 - 25 --70-- --- --- Terry 64 4.0 20 130 30 2400 --- --- Thedalund 55 3-0 --- 80 25 --- --- --- Thedalund 66 5.5 --- 160 33 --- --- --- Ulm 67 4.0 --- 100 25 ___ ___ --- Ulm • 68** ___ __- ___ ___ ___ ___ ___ Ustic Torriorthents 69, 70 3.5 --- 80 22 --- --- --- Valent 71 ___ ___ --- ___ ___ ___ ___ Valent See footnote at end of table. WELD COUNTY, COLORADO, SOUTHERN PART 99 TABLE 5.--YIELDS PER ACRE OF IRRIGATED CROPS--Continued Soil name and Beans, map symbol Alfalfa hay Sugar beets Corn Corn silage dry pinto ; Onions Potatoes Ton Ton Bu Ton Lb i Sack i Cut 72 4.5 i 20 140 30 --- --- 275 Vona --- 80 22 --- i 73 3.5 -'- '-' Vona Vona 75 5.0 23 160 30 2400 525 325 Vona 76 4.5 20 140 30 1800 I 525 325 Vona 77 4.0 18 100 25 --- --- --' Vona 78 5.5 24 180 35 2700 --- --- Weld 79 5.5 23 160 33 2400 li --- i --- Weld 30 4.0 20 100 25 1800 --- --- Weld 81 5.5 24 180 35 2700 --- --- Wiley 1?.c 5.5 23 160 33 2400 I --- --- ley 83 4.0 20 100 25 1800 --- --- Wiley Yields are for areas protected from flooding. "• See map unit description for the composition and behavior of the map unit. 102 SOIL SURVEY TABLE 6.--BUILDING SITE DEVELOPMENT--Continued _T /^ Soil name and Shallow Dwellings Dwellings Small Local roads map symbol excavations without ; with commercial and streets basements basements buildings 44 Slight Slight Slight Slight Moderate: Olney low strength. 45 Slight 'Slight Slight Moderate: Moderate: Olney 1 I slope. low strength. 46, 47 Slight Slight Slight Slight ;Moderate: Olney i low strength. 48 Slight Slight Slight Moderate: Moderate: Olney slope. low strength. 49 Severe: Slight Slight Slight Slight. Osgood cutbanks cave. 50, 51 Slight Slight Slight Slight Slight. Otero 52, 53 Slight Slight Slight Moderate: Slight. Otero slope. 54 Slight Severe: Severe: Severe: Moderate: Paoli floods. floods. floods. I low strength, frost action. 55 Slight Slight Slight Slight Moderate: Paoli low strength, frost action. 56 Moderate: Moderate: Moderate: Moderate: Severe: Renohill depth to rock, low strength, low strength, low strength, , low strength, too clayey. shrink-swell. depth to rock, shrink-swell. i shrink-swell. shrink-swell. 57 Moderate: Moderate: Moderate: Moderate: Severe: Renohill depth to rock, low strength, low strength, slope, low strength, too clayey. shrink-swell. depth to rock, low strength, shrink-swell. shrink-swell. shrink-swell. 58, 59 Severe: Severe: Severe: Severe: Severe: Shingle depth to rock. depth to rock. depth to rock. depth to rock. depth to rock. 604: Shingle Severe: Severe: Severe: Severe: Severe: depth to rock. depth to rock. depth to rock. depth to rock. depth to rock. i Renohill Moderate: Moderate: Moderate: Moderate: Seven: depth to rock, low strength, low strength, slope, low ! rength, too clayey. shrink-swell. depth to rock, low strength, shttr Lc-swell. shrink-swell. shrink-swell. 61 Moderate: Moderate: Moderate: Severe: Moderate: Tassel depth to rock. ; depth to rock. depth to rock. slope. depth to rock. 62 Severe: ;Moderate: Severe: Moderate: Moderate: Terry depth to rock. ; depth to rock. depth to rock. depth to rock. depth to rock. 63 Severe: (Moderate: Severe: Moderate: Moderate: Terry depth to rock. ; depth to rock. depth to rock. depth to rock, depth to rock. slope. 64 Moderate: :Moderate: Moderate: Moderate: Moderate: Thedalund depth to rock. ; low strength. depth to rock. low strength. low strength. I 65 Moderate: ;Moderate: Moderate: Moderate: Moderate: Thedalund depth to rock. ; low strength. depth to rock. low strength, low strength. slope. TTh See footnote at end of table. WELD COUNTY, COLORADO, SOUTHERN PART 103 TABLE 6.--BUILDING SITE DEVELOPMENT--Continued Soil name and Shallow Dwellings Dwellings Small Local roads map symbol excavations without with commercial and streets basements basements buildings 66, 67 Moderate: Severe: Severe: Severe: Severe: Ulm too clayey. shrink-swell. shrink-swell. shrink-swell. low ength, shrink-swell.r 68' Severe: Moderate: Moderate: Moderate: Moderate: Ustic small stones, slope. slope. slope. slope. Torriorthents cutbanks cave. 69 :Severe: Slight Slight Slight Slight. Valent : cutbanks cave. 70 ;Severe: Slight Slight Moderate: Slight. Valent : cutbanks cave. slope. 71': Valent Severe: Slight Slight Moderate: Slight. cutbanks cave. slope. Loup Severe: Severe: Severe: Severe: Severe: wetness, wetness, wetness, wetness, wetness. cutbanks cave. floods. floods. floods. 72 LSlight Slight Slight Slight Moderate: r low strength. Vona 73, 74 Slight Slight Slight Moderate: low strength. Moderate: Vona slope. 7 , 76 Slight Slight Slight Slight Moderate: tnnia low strength. 77 Slight Slight Slight Moderate: Moderate: Vona slope. low strength. 78, 79 Slight Moderate: Moderate: Moderate: Moderate: Weld low strength, low strength, low strength, low strength, shrink-swell. shrink-swell. shrink-swell. shrink-swell, frost action. 80 Slight Moderate: Moderate: Moderate: Moderate: Weld low strength, low strength, low strength, low strength, shrink-swell. shrink-swell. slope, shrink-swell, shrink-swell. frost action. 81', 82': Wiley Slight Moderate: Moderate: Moderate: Moderate: low strength, low strength, low strength, low strength, shrink-swell. shrink-swell. shrink-swell. shrink-swell. Colby Slight Slight Slight Slight Moderate: low strength. 83': Wiley Slight Moderate: Moderate: Moderate: Moderate: low strength, low strength, low strength, low strength, shrink-swell. shrink-swell. slope, shrink-swell. shrink-swell. Colby Slight Slight Slight Moderate: Moderate: slope. low strength. * See map unit description for the composition and behavior of the map unit. 106 SOIL SURVEY TABLE 7.--SANITARY FACILITIES--Continued Soil name and Septic tank Sewage lagoon Trench Area Daily cover map symbol absorption areas sanitary sanitary for landfill fields landfill landfill 43 Severe: Moderate: Slight Slight ,Fair: Nunn percs slowly. excess humus. I too clayey. 44, 45, 46, 47, 48-- Slight Severe: Slight ,Slight ;Good. Olney seepage. ; I 49 Slight Severe: Severe: ;Severe: ;Fair: Osgood seepage. seepage. I seepage. ; too sandy. 50, 51 , 52 Slight Severe: Slight ;Slight ;Good. Otero seepage. I 53 Slight Severe: Slight ;Slight IGood. Otero slope, seepage. 54 Slight Severe: Severe: ;Severe: ;Good. Paoli seepage. seepage. ; seepage. I ; 55 Slight Severe: Severe: Severe: ;Good. Paoli seepage. seepage. seepage. 56, 57 Severe: Severe: Severe: Slight ;Fair: Renohill percs slowly, depth to rock. depth to rock. I too clayey, depth to rock. I thin layer. 58, 59 Severe: Severe: Severe: ,Slight ;Poor: Shingle depth to rock. depth to rock. depth to rock. 1 ; thin layer. ; ; 60*: ; Shingle Severe: Severe: Severe: Slight Poor: /'� depth to rock. depth to rock. depth to rock. thin layer. Renohill Severe: Severe: Severe: Slight Fair: percs slowly, depth to rock. depth to rock. too clayey, depth to rock. thin layer. 61 Severe: Severe: Severe: Severe: Poor: Tassel depth to rock. depth to rock, depth to rock, seepage. thin layer, seepage, seepage. area reclaim. slope. 62, 63 Severe: Severe: Severe: Slight Fair: Terry depth to rock. depth to rock, depth to rock. thin layer, seepage. area reclaim. 64, 65 Severe: Severe: Severe: Slight Fair: Thedalund depth to rock. depth to rock. depth to rock. thin layer. 66 Severe: Slight Moderate: Slight Poor: Ulm percs slowly. too clayey. too clayey. 67 Severe: Moderate: Moderate:. Slight Poor: Ulm percs slowly. slope. too clayey. too clayey. 68* Moderate: Severe: Severe: Severe: . Poor: Ustic Torriorthents slope. seepage, seepage, seepage. too sandy, small stones. too sandy. small stones. 69, 70 Slight Severe: Severe: Severe: Poor: Valent seepage. too sandy, seepage. too sandy. seepage. 71x: Valent Slight Severe: Severe: Severe: Poor: seepage. too sandy, seepage. too sandy. seepage. See footnote at end of table. WELD COUNTY, COLORADO, SOUTHERN PART 107 TABLE 7.--SANITARY FACILITIES--Continued /T, Soil name and Septic tank Sewage lagoon 1 Trench Area Daily cover map symbol absorption areas sanitary sanitary for landfill fields landfill landfill _ 71+': Loup Severe: Severe: Severe: Severe: Poor: wetness, wetness, wetness, wetness., wetness. floods. seepage, seepage, seepage, floods. floods. floods. 72, 73 Slight :Severe: Slight Slight :Good. Vona : seepage. 74 Slight :Severe: Slight Slight Il Good. Vona : seepage, : slope. , 75, 76, 77 Slight. :Severe: Slight Slight :Good, Vona 1 seepage. : : 78 Moderate: :Moderate: Slight Slight ',Good. Weld percs slowly. : seepage. 79, g0— Moderate: :Moderate: Slight Slight Good. Weld percs slowly. : slope, seepage. 81': Wiley Moderate: Moderate: Slight Slight Fair: percs slowly. seepage. too clayey. Colby Slight ,Moderate: Slight Slight Good. : seepage. 1 8 83': ey Moderate: :Moderate: :Slight Slight Fair: percs slowly. I seepage, too clayey. slope. Colby Slight Moderate: ;Slight Slight Good. seepage. ' See map unit description for the composition and behavior of the map unit. A pa /T WELD COUNTY, COLORADO, SOUTHERN PART 109 TABLE 8.--CONSTRUCTION MATERIALS--Continued Soil name and Roadfill Sand Gravel I Topsoil map symbol 29, 30 Fair: Poor: Unsuited Good. Julesburg low strength, excess fines. frost action. 31, 32, 33, 34 Fair: Unsuited Unsuited Good. Kim low strength. 35a: Loup Poor: Fair: Unsuited: Poor: wetness. excess fines. excess fines. wetness. Boel Fair: Fair: Unsuited Fair: wetness. excess fines. thin layer. 36•: Midway Poor: Unsuited Unsuited Poor: shrink-swell, too clayey. low strength, thin layer. Shingle Poor: Unsuited Unsuited Poor: thin layer. area reclaim. 37, 38 Poor: Unsuited Unsuited Good. Nelson thin layer. 39, 40 Poor: Unsuited Unsuited Fair: Nunn shrink-swell, thin layer. low strength. 41 ,41\2 Poor: Unsuited Unsuited Fair: N shrink-swell, thin layer, low strength. too clayey. 43 Poor: Unsuited Unsuited Poor: Nunn shrink-swell, too sandy. low strength. 44, 45 Fair: Poor: Unsuited Fair: Olney low strength. excess fines. , too sandy, thin layer. 46, 47, 48 Fair: Poor: Unsuited Good. Olney low strength. excess fines. 49 Good Poor: Unsuited Poor: Osgood excess fines. too sandy. 50, 51 , 52, 53 Good Poor: Unsuited Good. Otero excess fines. 54, 55 Fair: Unsuited Unsuited Good. Paoli low strength, frost action. 56, 57 Poor: Unsuited Unsuited Poor: Renohill low strength, thin layer. thin layer. • 58, 59 Poor: Unsuited Unsuited (Poor: Shingle thin layer. I area reclaim. 60a: Shingle Poor: Unsuited Unsuited :Poor: thin layer. I area reclaim. ',S\ee footnote at end of table. • 110 SOIL SURVEY TABLE 8.--CONSTRUCTION MATERIALS--Continued /T : Soil name and Roadfill Sand Gravel Topsoil map symbol ! ! I : ' 60': : Renohill Poor: 'Unsuited :Unsuited Poor: low strength, thin layer. thin layer. 61 Poor: ,Unsuited Unsuited Poor: Tassel thin layer, ' area reclaim. area reclaim. 62, 63 ;Poor: Unsuited: Unsuited:. Fair: Terry : thin layer, thin layer. thin .layer. small stones. ' area reclaim. 64, 65 ;Poor: Unsuited Unsuited Good. Thedalund : thin layer. 66, 67 (Poor: Unsuited Unsuited Fair: Ulm : shrink-swell, too clayey. low strength. ' 68' 'Good Good :Good Poor: Ustic Torriorthents 1 small stones, too sandy. 69, 70 'Good Fair !Unsuited Poor: Valent too sandy. 71': Valent Good Fair !Unsuited Poor: too sandy. I Loup ;Poor: Fair: Unsuited: Poor: ! wetness. excess fines. excess fines. wetness. 72, 73, 74, 75, 76, 77 Fair: Poor: Unsuited Good. Vona low strength. excess fines. 78, 79, 80 Fair: Unsuited Unsuited Fair: Weld low strength, too clayey. shrink-swell, frost action. 81', 82', 83': Wiley Fair: 'Unsuited Unsuited Fair: low strength, ' too clayey. shrink-swell. ' Colby Fair: :Unsuited Unsuited Good. low strength. ' See map unit description for the composition and behavior of the map unit. /r\ WELD COUNTY, COLORADO, SOUTHERN PART 113 TABLE 9.--WATER MANAGEMENT--Continued : Soil name and Pond : Embankments, Drainage Irrigation Terraces Grassed map symbol reservoir 1 dikes, and and waterways areas • : levees diversions 40 Favorable :Compressible, Peres slowly, Peres slowly, Peres slowly---(Favorable. Munn I shrink-swell, I slope. slope. : hard to pack. 41 Favorable :Compressible, i Peres slowly--- .Peres slowly--- slowly--- Favorable. Nunn I shrink-swell, I hard to pack. 42 Favorable ;Compressible, . Peres slowly, Peres slowly, Peres slowly--- Favorable. Nunn 1 shrink-swell, slope. slope. . 1 hard to pack. 43 Favorable :Compressible, Peres slowly--- Peres slowly--- Peres slowly--- Favorable. Nunn I shrink-swell, : hard to pack. 44 Seepage, (Piping, Slope Soil blowing, Erodes easily, Erodes easily. Olney slope. : low strength. droughty. piping. 45 Seepage, ;Piping, Slope Soil blowing, Erodes easily, Erodes easily. Olney . slope. : low strength. droughty, piping. slope. 46 Seepage, ;Piping, Favorable Favorable Erodes easily, Erodes easily. Olney slope, , low strength. piping. 47, 48 Seepage, ;Piping, Slope Slope, Erodes easily, Erodes easily. Olney slope. : low strength. erodes easily. piping. 49 Seepage ;Piping Favorable Soil blowing--- Too sandy, ,Erodes easily. good piping. I 5 Seepage Piping, Favorable Droughty Erodes easily, :Erodes easily. Otero seepage. piping. 51 , 52, 53 Seepage, Piping, Slope Slope, Erodes easily, :Erodes easily. Otero slope. seepage. erodes easily, piping. droughty. 54 Seepage Piping, Favorable Favorable Piping ;Favorable. Paoli low strength. 55 Seepage Piping, Slope Piping a Pi P P g :Favorable. Paoli low strength. 56 Depth to rock Low strength, Depth to rock, Rooting depth, Depth to rock, 'Rooting depth, Renohill thin layer, percs slowly. slow intake. percs slowly. percs slowly. compressible. 57 Slope, Low strength, Slope, Slope, Depth to rock, Rooting depth, Renohill depth to rock. thin layer, depth to rock, rooting depth, percs slowly. percs slowly. compressible. percs slowly. slow intake. 58, 59 Slope, Low strength, Depth to rock, Slope, Depth to rock Rooting depth. Shingle depth to rock. thin layer. slope. rooting depth. 60*: Shingle Slope, :Low strength, Depth to rock, Slope, Depth to rock Rooting depth. depth to rock. ; thin layer. slope. - rooting depth. Renohill Slope, Low strength, Slope, Slope, Depth to rock, Rooting depth, depth to rock. thin layer, depth to rock, rooting depth, percs slowly. percs slowly. compressible. percs slowly. slow intake. 51 Depth to rock, Erodes easily, Not needed Droughty, Depth to rock, Rooting depth, Tassel slope. thin layer. rooting depth. erodes easily. erodes easily. 62f Depth to rock, Piping, Slope, Slope, Depth to rock, ,Rooting depth, r' 1.y seepage. thin layer. rooting depth. rooting depth, piping, soil blowing. soil blowing. soil blowing. See footnote at end of table. 114 SOIL SURVEY TABLE 9.--WATER MANAGEMENT--Continued /T ,I I , Soil name and Pond Embankments, I Drainage I Irrigation Terraces Grassed map symbol reservoir dikes, and and I waterways areas levees I diversions rI — 63 Slope, Piping, Slope, ;Slope, Slope, Slope, Terry depth to rock, thin layer. rooting depth.; rooting depth, depth to rock, : rooting depth, seepage. I soil blowing. I soil blowing. ; soil blowing. 54 Depth to rock, Low strength, Slope, (Slope, Depth to rock I Rooting depth. Thedalund slope. piping, depth to rock.: rooting depth. thin layer. 65 Depth to rock, Low strength, Slope, Slope, Depth to rock Slope, Thedalund slope. piping, depth to rock. rooting depth. , rooting depth. thin layer. 66 Favorable Low strength, Favorable Peres slowly, Peres slowly--- Erodes easily. Ulm shrink-swell, erodes easily. compressible. 57 Slope Low strength, Slope Slope, Peres slowly--- Erodes easily. Ulm ; shrink-swell, percs slowly, compressible. erodes easily. 68* Seepage, Seepage Slope Slope, Too sandy, Droughty, Ustic slope. droughty. slope. slope. Torriorthents 59 Seepage, Piping, Slope Slope, Erodes easily, Erodes easily. Valent slope. seepage. erodes easily, piping. droughty. 70 Seepage, Piping, Slope Slope, Erodes easily, 1 Slope, Valent slope. seepage. I erodes easily, piping. I erodes easily. droughty. 71*: Valent Seepage, Piping, Slope Slope, Erodes easily, I Slope, slope. seepage. erodes easily, piping. I erodes easily. droughty. Loup Seepage Seepage, Poor outlets, Wetness, Not needed Not needed. piping. cutbanks cave. seepage. 72, 73 Seepage, Piping, Slope Slope, Piping, Erodes easily. Vona slope. erodes easily, fast intake, erodes easily. seepage. seepage. 74 Seepage, Piping, Slope Slope, Piping, Slope, Vona slope. erodes easily, fast intake, erodes easily. erodes easily. seepage. seepage. 75 Seepage, Piping, Favorable Fast intake, Piping, Erodes easily. Vona slope. erodes easily, seepage. erodes easily. seepage. 76, 77 Seepage, Piping, Slope Slope, Piping, Erodes easily. Vona slope. erodes easily, fast intake, erodes easily. seepage. seepage. 78 Seepage Low strength--- Peres slowly--- Peres slowly, Piping, Peres slowly. Weld slow intake. percs slowly. 79, 80 Seepage Low strength--- Slope, Slope, Piping, Peres slowly. Weld percs slowly. percs slowly, percs slowly. slow intake. 81*: Wiley Slope, Piping, Peres slowly--- Favorable Piping Erodes easily. seepage. low strength. /'1 Colby Seepage Low strength, Favorable Favorable Favorable Favorable. piping. See footnote at end of table. 118 SOIL SURVEY TABLE 10.--RECREATIONAL DEVELOPMENT--Continued /T Soil name and Camp areas . Picnic areas 1 Playgrounds I Paths and trails map symbol Slight (Slight Severe: Slight. 38 slope. Nelson 39 Moderate: ;Slight Moderate: Slight. Nunn peres slowly. percs slowly. (Slight Moderate: Slight. 4N Moderate: peres slowly, Nunn peres slowly. I slope. 41 Moderate: ;Moderate: Moderate: ,Moderate: Nunn peres slowly. I too clayey. peres slowly. I too clayey. 42 Moderate: Il Moderate: Moderate: ,Moderate: Nunn percs slowly. I too clayey. percs slowly, I too clayey. slope. 43 Moderate: (Moderate: Moderate: ;Moderate: Nunn peres slowly. I too sandy. percs slowly. I too sandy. 44, 45 Moderate: ;Moderate: Moderate: ,Moderate: Olney too sandy, I too sandy, too sandy, I too sandy, dusty. I dusty. slope, I dusty. dusty. 46 Moderate: (Moderate: Moderate: ,Moderate: Olney dusty. dusty. dusty. - I dusty. yq 48 Moderate: ,Moderate: Moderate: ;Moderate: Olney dusty. I dusty. dusdust dusty. slope. 49 Moderate: Moderate: Severe: Moderate: too sandy. too sandy. too sandy. too sandy. 50 Slight Slight Slight Slight. Otero 51 , 52 Slight Slight Moderate: Slight. slope. Otero Slight Severe: ;Slight. 53 Slight slope. Otero 54 Slight Slight Slight ;Slight. Paoli I Slight Slight Moderate: Slight. 55 slope. Paoli 55 'Moderate: Moderate: Moderate: Moderate: too clayey. too clayey, too clayey. Renohill percs slowly, percs slowly. too clayey. Moderate: Severe: Moderate: R percs s 57 Moderate: Renohill slowly, too clayey. slope. too clayey. too clayey. 58, 59 Moderate: Moderate: Severe: Moderate: Shingle too clayey. too clayey. depth to rock. too clayey. 60*: Moderate: Shingle Moderate: Moderate: Severe: I too clayey. too clayey. slope, too clayey. depth to rock. f See footnote at end of table. /r\ 120 sou, SURVEY TABLE 10.--RECREATIONAL DEVELOPMENT--Continued Soil name and Camp areas Picnic areas Playgrounds Paths and trails map symbol , 75 Moderate: ;Moderate: Moderate: Moderate: Vona ; dusty. I dusty. dusty. dusty. 76, 77 Moderate: (Moderate: Moderate: Moderate: Vona dusty. I dusty. slope, dusty. dusty. 78 Moderate: Slight Moderate: Slight. Weld percs slowly. percs slowly. 79, 80 Moderate: Slight Moderate: Slight. Weld , percs slowly. peres slowly, slope. 81': i Wiley ;Moderate: Moderate: Moderate: Moderate: I dusty. dusty. dusty. dusty. Colby ;Moderate: Moderate: Moderate: Moderate: dusty. dusty. dusty. dusty. 82', 83': Wiley Moderate: Moderate: Moderate: Moderate: dusty. dusty. dusty, dusty. slope. Colby ;Moderate: Moderate: Moderate: Moderate: I dusty. dusty. slope, dusty. dusty. I 7".\ • See map unit description for the composition and behavior of the map unit. /r\ 122 SOIL SURVEY TABLE 11.--WILDLIFE HABITAT POTENTIALS--Continued Potential for habitat elements T- Potential as habitat for- Soil name and Wild r ---T '-'\ map symbol Grain Grasses herba- I Shrubs Wetland ; Shallow ;Openland Wetland Rangeland and seed and ceous plants water ;wildlife wildlife wildlife crops** legumes _plants ! areas 31 , 32 Good Good Fair ;Fair Poor Very poor:Good Very poor Fair. Kim 33, 34 Fair Good Fair ;Fair Poor Very poor Fair Very poor Fair. Kim 35': Loup Poor Fair Good Fair Good Good Fair Good Fair. Boel Poor ;Fair Good Fair Good Good Fair Good Fair. 36': Midway Poor Fair Fair Fair Very poor Very poor Fair Very poor Fair. Shingle Poor Fair Fair Fair Very poor Very poor Fair Very poor Fair. 37, 38 Fair Good Fair Fair Poor Very poor Fair Very poor Fair. Nelson 39, 40, 41 , 42, 43- Good Good Fair Fair Poor Very poor-Good Very poor Fair. Nunn 44, 45 Fair Good !Fair Fair Poor Very poor Fair Very poor Fair. Olney 46, 47 Good Good ;Fair Fair Poor Very poor Good Very poor Fair. Olney 48 Fair Good ;Fair Fair Very poor Very poor Fair Very poor Fair. Olney ; 49 Poor Fair ;Fair Fair Very poor Very poor Fair Very poor Fair. i-", Osgood 50 Good Good !Fair Fair Poor Very poor Good Very poor Fair. Otero 51, 52, 53 Fair Good ;Fair Fair Very poor Very poor Fair Very poor Fair. Otero 54, 55 Good Good 'Fair Fair Poor Very poor Good Very poor Fair. Paoli 56, 57 Fair Good Fair Fair Poor Very poor Fair Very poor Fair. Renohill 58, 59 Poor Poor ;Fair ;Fair Poor Very poor Poor Very poor Fair. Shingle 60': Shingle Poor Poor Fair ;Fair Poor Very poor Poor Very poor Fair. I Renohill Fair Good Fair ;Fair Poor Very poor Fair Very poor Fair. 61 Poor Poor Poor !Poor Very poor Very poor Poor Very poor Poor. Tassel 62, 63 Fair Good Fair Fair Very poor Very poor Fair Very poor Fair. Terry 64, 65 Fair Fair Fair ;Fair Very, poor Very poor Fair Very poor Fair. Thedalund 66 Good Good Fair ;Fair Poor Very poor Good Very poor Fair. Ulm 67 Fair Good Fair ;Fair Poor Very poor Fair Very poor Fair. Ulm See footnote at end of table. /Th IM WELD COUNTY, COLORADO, SOUTHERN PART 123 TABLE 11.--WILDLIFE HABITAT POTENTIALS--Continued Potential for habitat elements Potential as habitat for-- Soil name and : Wild : : map symbol Grain : Grasses : herba- I Shrubs Wetland Shallow IOpenland Wetland Rangeland and seed : and : ceous plants water ;wildlife wildlife wildlife crops'' : legumes 1 plants areas ' 68• Very poorlVery poor:Poor Poor Very poorlVery poor:Very poor Very poor Poor. Ustic Torriorthents 69, 70 Poor Fair Fair Fair Very poorlVery poorlFair Very poor Fair. Valent 71t: : : Valent Poor Fair Fair Fair ;Very poorlVery poorlFair Very poor Fair. Loup Poor Fair Good Fair Good :Good :Fair Good Fair. 72, 73 Fair Good Fair Fair Poor Very poorlFair Very poor Fair. Vona 74 Poor Good ;Fair Fair Very poor Very poor Fair Very poor Fair. Vona I 75, 76 :Good Good ;Fair Fair Poor Very poor Good Very poor Fair. Vona 77 ;Fair Good :Fair Fair Very poor Very poor Fair Very poor Fair. Vona 78, 79 :Good Good Fair Poor Poor Very poor Good Very poor Poor. Weld gD :Fair Good ;Fair Poor Poor Very poor Fair Very poor Poor. Weld : /�1• 82': ':ley :Good Good :Fair Fair Poor Very poor Good Very poor Poor. Colby (Good :Good :Fair Fair Poor Very poor Good Very poor Fair. 83•: y poor Eair. Wiley Fair :Good :Fair Fair Poor Very poor Fair Ver Colby Fair :Good :Fair Fair Poor Very poorlFair Very poor Fair. • See map unit description for the composition and behavior of the map unit. •a' Potential for grain and seed crops, grasses and legumes, and for openland wildlife based on irrigated land use. • /r\ i 126 SOIL SURVEY TABLE 12.--ENGINEERING PROPERTIES AND CLASSIFICATIONS--Continued 1 Classification :Frag Percentage passing Soil name and Depth; USDA texture I 1 Iments sieve number-- Liquid Plas- map symbol Unified ; AASHTO ; > 3 ; limit ; ticity In $ inches 4 10 I 40 200 ; index ' Pct I Pct 36+: Shingle 0-6 :Loam CL-ML A-4 0-5 75-100175-100 70-95 155-75 25-35 5-10 6-18:Clay loam, loam CL A-6 0 75-100:75-100 65-100150-80 30-40 10-20 18 :Unweathered --- --- , ___ 1 ___ 1 bedrock. ' --' --- 37, 38 0-9 Fine sandy loam ML, SM A-4 0-5 75-100 75-100 70-90 :45-60 I --- NP Nelson 9-301Fine sandy loam, SM, ML A-4, A-2 0 75-100 75-100 60-85 130-55 1 --- i NP : sandy loam. 30 :Weathered ' ' --- bedrock. 39, 40 0-9 ;Loam CL, SC A-6 0-5 195-100 80-95 70-95 145-75 1 25-40 1 10-20 Nunn 9-29:Clay loam, clay CL, CH A-6, A-7 0-5 195-100 90-100 85-95 165-75 135-60 ; 20-35 29-60:Clay loam, loam, CL, A-4, 0-5 180-100 80-100 60-90 25-75 15-40 5-20 sandy loam. CL-ML, A-6, SM-SC, A-2 SC 41 , 42 0-9 :Clay loam CL, SC A-6 , 0-5 95-100 80-95 70-95 45-75 25-40 10-20 Nunn 9-291Clay loam, clay .' CH A-6, A-71 0-5 95-100 90-100 85-95 65-75 35-60 20-35 29-60 Clay loam, loam, CL, A-4, 0-5 80-100 80-100 60-90 25-75 15-40 5-20 sandy loam. CL-ML, A-6, SM-SC, A-2 SC 43 0-9 Loamy sand SM A-2 0-5 95-100 80-95 60-80 20-30 --- NP Nunn 9-30 Clay loam, clay CL, CH A-6, A_71 0-5 95-100 90-100 85-95 65-75 35-60 1 20-35 30-60 Clay loam, loam, CL, A-4, I 0-5 80-100 80-100 60-90 25-75 15-40 5-20 sandy loam. CL-ML, A-6, , SM-SC, A-2 SC ; /."- 4, 45 0-10 Loamy sand ISM A-2 0 195-100 90-100 60-90 ;15-25 --- NP Olney 10-20 Sandy clay loam ISC, CL A-6 0 195-100 90-100 80-100;40-55 20-40 10-20 20-25 Sandy loam, 1SC, A-4, A-6 0 195-100 95-100 75-95 135-55 20-35 5-15 sandy clay 1 SM-SC, loam, fine CL, sandy loam. CL-ML 25-60 Fine sandy loam, SM A-2 0 195-100 95-100 70-95 20-35 --- NP loamy fine sand. 46, 47, 48 0-10 Fine sandy loam SM A-2 0 95-100 90-100 70-95 20-35 15-25 NP-5 Olney 10-20 Sandy clay loam SC, CL A-6 0 95-100 90-100 80-100 40-55 20-40 10-20 20-25 Sandy loam, SC, A-4, A-6 0 95-100 95-100 75-95 35-55 20-35 5-15 sandy clay SM-SC, loam, fine CL, sandy loam. CL-ML 25-60 Fine sandy loam, SM A-2 0 95-100 95-100 70-95 20-35 --- NP loamy fine sand. 49 0-22 Sand SM A-2 0 100 100 65-80 15-30 --- NP Osgood 22-34 Sandy loam SM A-2, A-4 0 100 100 60-80 30-40 --- NP 34-60 Loamy sand, sand SM A-2 0 100 95-100 50-75 10-25 --- NP 50, 51 , 52, 53 0-12 Sandy loam SM A-2 0-1 95-100 75-100,50-80 20-35 --- NP Otero 12-60 Sandy loam, fine SM A-2, A-1 0-1 90-100 50-100140-80 20-35 --- NP sandy loam, gravelly sandy loam. ; 54, 55 0-201Loam ML A-4 0 95-loo;g0-100;75-95 55-75 25-35 1 NP-5 Paoli 20-251Fine sandy loam, SM A-4 0 80-100180-100;60-85 35-50I NP 1 sandy loam. I I --- 25-601-Fine sandy loam, SM A-2, A-4 0 75-100175-100155-85 30-50 I NP I sandy loam. --- P+N See footnote at end of table. 128 SOIL SURVEY TABLE 12.--ENGINEERING PROPERTIES AND CLASSIFICATIONS--Continued i 1 ; Classification IFrag- I Percentage passing�. Soil name and ;Depth; USDA texture I ; Iments I sieve number-- ;Liquid Plas- map symbol I ; Unified AASHTO I > 3 I limit ticity I I ;inches; 4 10 40 200 index y I I Pct T Pct - 72, 73, 74 0-6 ;Loamy sand SM A-2 0 100 190-100 60-90 15-30 NP Vona 6-281Fine sandy loam, SM A-2, A-4 0 100 190-100 60-90 30-45 I --- NP I sandy loam. I 28-601Sandy loam, SM A-2 0 , 100 190-100 50-85 15-30NP I loamy sand. --- 75, 76, 77 0-6 ;Sandy loam SM A-2, A-4 0 100 190-100 60-90 30-45 --- NP Vona 6-281Fine sandy loam, SM ,A-2 A-4 0 100 190-100 60-90. 30-45 --- NP sandy loam. 28-60 Sandy loam, ISM A-2 0 1100 90-100 50-85 15-30 I --- NP loamy sand. 78, 79, 80 0-8 Loam Weld IML, A-4 0 100 95-100 85-100 60-85 20-30 NP-10 i CL-ML 8-15 Silty clay loam, ICL A-6, A-7 0 100 100 95-100 85-95 ; 35-50 15-30 silty clay. 15-60 Silt loam, loam ICL-ML, CL A-4, A-6 0 100 95-100 85-100 60-85 20-35 5-15 81', 82', 83': j Wiley 0-11 Silt loam ICL-ML, CL A-4, A-6 0 100 100 90-100 70-90 1 25-35 5-15 11-60 Silty clay loam, ICL A-6 0 100 100 90-100 70-95 25-35 10-20 silt loam. j I Colby 1 0-7 ILoam ICL-ML A-4 0 1 100 1100 90-100 85-1001 25-30 5-10 7-601Si1t loam, loam ICL-ML A-4 0 1 100 ; 100 90-100 85-100: 25-30 5-10 I , i I ' See map unit description for the composition and behavior of the map unit. -^, 130 SOIL SURVEY TABLE 13•--PHYSICAL AND CHEMICAL PROPERTIES OF SOILS--Continued ^\ Risk of corrosion Erosion,W nine d Soil name and Depth: Permea- :Available Soil ;Salinity Shrink- - -.- factors;erodi- map symbol 1 bility water reaction ; swell Uncoated :Concrete —' Th bility capacity ; potential steel ; K T_:troop In In/hr In/in off :Mmhos/em 29, 30 0-12 2.0-20 0.11-0.15 6.6-7.8 : <2 Low Moderate Low 0.24 5 3 Julesburg 12-27 2.0-20 0.11-0.15 6.6-7.8 : <2 Low Moderate Low 0.24 27-60 >6.0 0.05-0.13 6.6-7.8 ; <2 Low Moderate Low 0.20 31 , 32, 33, 34 0-12 0.6-2.0 0.16-0.18: 7.9-8.4 : <2 Low Moderate Low 0.32 5 4L Kim 12-60 0.6-2.0 0.15-0.17: 7.9-8.4 <2 Low Moderate Low 0.32 35': Loup 0-16 6.0-20 0.10-0. 14: 6.6-8.4 <2 Low High Low 0.17 5 2 16-60 6.0-20 0.06-0.08; 7.4-8.4 <2 Low High Low 0.17 Boel 0-14 6.0-20 0.10-0.12 6.6-8.4 <2 Low High Low 0.17 5 2 14-60 6.0-20 0.05-0.07 6.6-8.4 <2 Low High Low 0.17 36': Midway 0-13 0.06-0.2 0.12-0.17 7.9-9.0 2-8 High High Low 0.43 1 4 ; 13 --- --- --- Shingle : 0-6 0.6-2.0 ;0.16-0.18 7.4-9.0 <2 Low High Low 0.32 2 4L 1 6-18 0.6-2.0 0.16-0.21 7.9-9.0 <2 Moderate High Low 0.49 18 --- --- --- 37, --- 38 0-9 2.0-6.0 0.13-0.15 7.9-8.4 <2 Low High Low 0.20 2 3 Nelson 9-30 2.0-6.0 0.11-0.13 7.9-8.4 <2 Low High Low 0.20 30 --- --- --- 39, 40, 41 , 42 0-9 0.2-2.0 ,0.15-0.20 6.6-7.8 <2 Moderate Moderate Low 0.24 5 6 Nunn 9-29 0.06-0.6 10.15-0.18 7.4-8.4 <2 High High Low 0.28 29-60, 0.2-2.0 10.10-0.18 7.4-8.4 <2 Moderate High Low 0.24 43 0-9 1 2.0-6.0 :0.10-0. 14 6.6-7.8 <2 Low Moderate Low 0.15 5 3 Nunn 9-29:0.06-0.6 10.15-0.18 7.4-8.4 <2 High High Low 0.28 29-60; 0.2-2.0 0.10-0.18 7.4-8.4 <2 Moderate High Low 0.24 44, 45 0-10 6.0-20 0.06-0. 10 6.6-7.8 <2 Low Low Low 0.17 5 2 Olney 10-20 0.6-2.0 0.13-0.15 6.6-7.8 <2 Moderate High Low 0.24 20-25 0.6-6.0 0.11-0.15 7.9-8.4 <2 Low High Low 0.24 25-60 2.0-6.0 0.06-0.13 7.9-8.4 <2 Low High Low 0.20 46, 47, 48 0-10 0.6-6.0 0.11-0.15 6.6-7.8 <2 Low Moderate Low 0.20 5 3 Olney 10-20, 0.6-2.0 0.13-0. 15 6.6-7.8 <2 Moderate High Low 0.24 20-251 0.6-6.0 0.11-0.15 7.9-8.4 <2 Low High Low 0.24 25-601 2.0-6.0 0.06-0.13 7.9-8.4 <2 Low High Low 0.20 49 0-22; 6.0-20 0.05-0.08 6.6-7.3 --- Low Low Low 0.10 5 1 Osgood 22-34; 2.0-6.0 0.10-0.13 6.6-7.3 --- Low Low Low 0.17 $ 4-60: 6.0-20 0.06-0.08 6.6-8.4 <2 Low Moderate Low 0. 10 50, 51, 52, 53 : 0-12: 6.0-20 0.09-0.13 7.4-8.4 <2 Low High Low 0.10 5 2 Otero 112-60: 6.0-20 0.08-0.12 7.4-8.4 <4 Low High Low 0.10 54, 55 : 0-201 0.6-2.0 0.16-0.18 6.6-7.3 --- Low Moderate Low 0.20 5 5 Paoli 20-251 >6.0 0.14-0. 17 7.4-7.8 <2 Low High Low 0.20 25-60; >6.0 0.12-0.14 7.4-8.4 <2 Low High Low 0.20 56, 57 0-9 : 0.2-0.6 0.17-0.21 6.6-7.8 <2 Moderate High Low 0.37 3 6 Renohill 9-3210.06-0.2 0.14-0.16 6.6-8.4 <2 High High Low 0.32 32 1 --- --- --- 58, 59 0-6 0.6-2.0 0.16-0.18 7.4-9.0 <2 Low High Low 0.32 2 4L Shingle 6-18 0.6-2.0 0.16-0.21 7.9-9.0 <2. Moderate High Low 0.49 18 --- --- ___ 60': Shingle 0-6 0.6-2.0 0.16-0.18 7.4-9.0 <2 Low High Low 0.32 2 4L 6-18 0.6-2.0 0.16-0.21 7.9-9.0 <2 Moderate High Low 0.49 18 --- --- --- --- ""T See footnote at end of table. WELD COUNTY, COLORADO, SOUTHERN PART 131 TABLE 13.--PHYSICAL AND CHEMICAL PROPERTIES OF SOILS--Continued PTN 1 - I 1 Risk of corrosion ' Erosion;Wind Soil name and ;Depth; Permea- Available; Soil Salinity Shrink- ' 1 factorslerodi- map symbol i bility water :reaction swell 'Uncoated Concrete —'bility capacity ; potential ; steel K ; T group In ; In/hr In/In r RH Mmhos/em, ' : 60*: Renohill 0-9 0.2-0.6 0.17-0.21 6.6-7.8 <2 :Moderate (High Low 0.37- 3 I 6 9-3210.06-0.2 0.14-0.16 6.6-8.4 <2 :High :High Low 0.32 I 32 --- --- --- --- 61 0-11 2.0-6.0 0.16-0.18 7.4-8.4 C2 :Low :High Low 10.24 1 3 Tassel 11 --- --- ___ ___ ; ; :___ 62, 63 0-6 2.0-6.0 0.13-0.15 7.0-7.8 <2 Low :Moderate Low 10.20 2 ' 3 Terry 6-18 2.0-6.0 0.13-0.15 7.0-7.8 <2 Low :Moderate Low ;0.20 18-37 2.0-6.0 0.13-0.15 7.9-8.4 , <2 Low :High Low 0.20 37 --- 1 --- --- : --- I --- 64, 65 0-8 0.6-2.0 0.16-0.18 7.9-8.4 <2 Low High Low 0.32 2 4L Thedalund 8-25 0.6-2.0 0.16-0.18 7.9-8.4 <2 Low High Low 0.32 25 ___ ___ --- 66, 67 0-5 0.6-2.0 0.16-0.18 6.6-7.8 --- ,Low High Low 0.32 5 6 Ulm 5-19 0.06-0.2 0.19-0.21 7.4-8.4 <2 :High High Low 0.37 19-60 0.6-2.0 0.19-0.21 7.9-8.4 <2 :Moderate High Low 0.37 68* 0-60 Ustic Torriorthents • 69, 70 0-8 6.0-20 0.07-0.12 6.6-7.3 --- Low Low Low 0.10 5 1 Valent 8-60 6.0-20 0.05-0.10 6.6-7.8 <2 Low Low Low ,0.10 71*: Valent 0-8 6.0-20 0.07-0.12 6.6-7.3 --- Low Low Low 10.10 5 1 8-60 6.0-20 0.05-0.10 6.6-7.8 <2 Low Low Low :0.10 ^'\.oup 0-16 6.0-20 0.10-0.14 6.6-8.4 (2 Low High Low 0.17 5 2 16-60 6.0-20 0.06-0.08 7.4-8.4 (2 Low High Low 0.17 72, 73, 74 0-6 6.0-20 0.09-0.11 6.6-7.3 --- Low Low Low 0.10 5 2 Vona 6-28 2.0-6.0 0.12-0.14 6.6-8.4 <4 Low High Low 0.10 28-60 6.0-20 0.08-0.11 7.4-8.4 <4 Low High Low 0.10 75, 76, 77 0-6 2.0-6.0 0.11-0.13 6.6-7.3 --- Low 'Low Low 0.10 5 3 Vona 6-28 2.0-6.0 0.12-0.14 6.6-8.4 <4 Low High Low 0.10 28-60 6.0-20 0.08-0.11 7.4-8.4 <4 Low High Low 0.10 78, 79, 80 0-8 0.6-2.0 0.16-0.21 6.6-7.3 <2 Low Low Low 0.32 5 6 Weld 8-15 0.06-0.2 0.19-0.21 6.6-7.8 <2 High Moderate Low 0.28 15-60 0.6-2.0 0.16-0.21 7.4-8.4 <2 Low High Low 0.28 81*, 82*, 83*: Wiley 0-11 0.6-2.0 0.19-0.21 7.4-7.8 <2 Low ,High Low 0.37 5 4L 11-60 0.6-2.0 0.19-0.21 7.9-8.4 <2 Moderate :High Low 0.37 Colby 0-7 0.6-2.0 0.20-0.24 6.6-8.4 <2 Low ;Moderate Low 0.37 5 4L 7-60 0.6-2.0 0.17-0.22 7.4-8.4 <2 Low ;Moderate Low 0.37 * See map unit description for the composition and behavior of the map unit. /T its 4 9 4,t. r . y r yx. LP( R 41 . "'I' COUNTY, COLORADO, SOUTHERN PART 133 -g4)44iiiii,. .r, TAB 141--SOIL AND WATER FEATURES--Continued .' - oo n , High water table Bedrock Soil name and map symbol Hydro-; —1---1i i I Potential : logic,; Frequenc 4 Duration Months : Depth I Kind Months ;Depth Hard- frost (group I ". I I 1 ness action -; Ft In 36': Shingle 1 D ;None ; --- --- >6.0 --- --- 10-20 Rip- Low. pable 37, 38 B ,.. .: --- Nelson I 'Ilion. — --- -- --- >6.0 i --- --- 20-40 Rip- Low. , _. pable 39, 40, 41, 42, I '44- : 43 C :None _-- --- >60 --- Moderate. i --- >6.0 --- Nunn I 44, 45, 46, 47, 48 B None --- --- >6.0 --- --- >60 --- Low. Olney 49 A None --- --- >6.0 --- --- >60 --- Low. Osgood 50, 51 , 52, 53---- B None _-- ___ >6.0 --- --- >60 --- Low. Otero 54, 55 8 None to rare --- --- >6.0 --- --- >60 --- Moderate. Paoli 56, 57 C None --- --- >6.0 --- --- 20-40 Rip- Low. Renohill : : pable 58, 59 D None --- --- >6.0 --- --- 10-20 Rip- Low. Shingle : pable ' Shingle D None --- --- >6.0 --- --- 10-20 Rip- Low. pable Renohill C None --- , --- >6.0 --- --- 20-40 Rip- Low. pable 61 , D None Tassel -'- : --- >6.0 --- --- 10-20 Rip- Low. � pable 62, 63 I 8 None ___ --- >6.0 --- --- 20-40 Rip- Low. Terry i I pable 64, 65 C None --- , --- >6.0 : --- --- 20-40 Rip- Low. Thedalund : pable 66, 67 C None ___ ___ >6.0 ___ --- >60 --- Low. Ulm 68' A None ___ ___ >6.0 i --- --- >60 --- Low. Us tic Torriorthents 69, 70 : A None ___ --- >6.0 i --- --- >60 --- Lou. Valent 71a• Valent i A None __- --- >6.0 : --- --- >60 --- Low. I : Loup : D Rare to Brief Mar-Jun ..5-1.5IApparent Nov-May >60 --- Moderate. common. 72, 73, 74, 75, I I 76, 77 : B :None --- --- '>6.0 i --- --- >60 I --- Low. Vona ; See footnote at end of table. n 134 SOIL SURVEY TABLE 1M.--SOIL AND WATER FEATURES--Continued ; , Flooding ; High water table ; Bedrock ; Soil name and ,Hydro-: : ; : ; , : Potential map symbol : logic: Frequency : Duration ;Months 1 Depth . Kind Months ;Depth:Hard- : frost ;group : : : : 1 ness : action : : : : : Ft r r In : : -- i i 78, 79, 80 : C :None : --- : --- : >6.0 --- : --- : >60 : --- :Moderate. Weld I I I ' 81', 82•, 83': , : 7 : : 1 : Wiley --: B :None --- ; --- : >6.0 --- --- 'Low. : I : : : : I Colby : B :None : --- : --- : >6.0 --- : --- : >60 --- :Low. : I I I I i I * See map unit description for the composition and behavior of the map unit. /-7\ Hello