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Home My WebLink About20050234.tiff 67 V , ,a., :,.,.:_. ,.r. /40 . +s - Qf r 42 421 `�3� � x a ; - ./ `"f. ,w. \ • was` 79 "y a*.�`a 1 30 82 ? '"� 83 29 - 829, ..-. ©v� �_ i 42 Iii' -' 42 34 � f m-.�.v, 39 34 .' f {31 40 82 ' `h '"^' r _ a xiF ' ,L • a i7 40,1 3.40 442? 44 .a 7 e r $w TY V v Y 2170 000 FEET 2 Miles I 10,000-foot grid ticks based on state N 5 000 Fee! coordinate system. Land division 10 000 Fart pcorners, if shown, are approximately 1 positioned. 0 Ni o N PART NO 29 5HF.E'I' NO.29 OF 35 88 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 ments 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 not suited to this soil Onsite investigation is needed to for example, the pronghorn antelope, can be attracted by determine if plantings are feasible. Supplemental water is developing livestock watering facilities, managing needed for successful plantings. livestock grazing, and reseeding where needed. 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 pheasant and mourning dove. Many nongame species can chief limiting features are the underlying shale, the low be attracted by establishing areas for nesting and escape strength, and the moderate to high shrink swell. These features present severe problems in dwelling and road cover. For pheasants, undisturbed nesting cover is develop- constructionessen- and in use of septic tank absorption fields Oa] and should be included in plans for habitat ment, especially in areas of intensive agriculture. Range- and sewage lagoons. Capability subclass Ills irrigated, land wildlife, for example, the pronghorn antelope, can be IVe nonirr Hated Claus, Plains r e ca^ attracted by developing livestock watering facilities, Renohill clay loam. 3 to 9 percent clone,This is managing livestock grazing, and reseeding where needed. a moderately deep, well drained soil on upland hills and This soil has poor potential for urban and recreational ridges at elevations of 4,850 to 5,200 feet. It formed in development. The chief limiting features are the underly- residuum from shale. Included in mapping are small areas ing shale, the low strength, and the moderate to high of soils that have shale deeper than 40 inches. shrink swell. These features present severe problems in Typically the surface layer is grayish brown clay loam dwelling and road construction and in use of septic tank about 9 inches thick. The subsoil is 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. stratum is pale brown clay loam. Shale is at a depth of 58—Shingle loam, 1 to 3 percent slopes. This is a shal- about 29 inches. 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. Typically the surface layer is grayish brown loam about This soil is suited to limited cropping. Intensive 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 • 28 s SOIL SURVEY `4�l�nn oaT m, I to 3-Dereent slo,pes\This is a deep, vegetation should be continued for as many years as .-- well drained so I on terraces at elevations of 4,550 to 5,000 possible following planting. Trees that are best suited and feet. It formed in mixed alluvium. Included in mapping have good survival are Rocky Mountain juniper, eastern are small, long and narrow areas of sand and gravel redcedar, ponderosa pine, Siberian elm, Russian-olive, and deposits and small areas of soils that are subject to occa- hackberry. The shrubs best suited are skunkbush sumac, sional flooding. Some leveled areas are also included. lilac, Siberian peashrub, and American plum. Typically the surface layer of this Nunn soil is grayish Wildlife is an important secondary use of this soil. The brown loam about 12 inches thick. The subsoil is light cropland areas provide favorable habitat for ring-necked brownish gray clay loam about 12 inches thick. The upper pheasant and mourning dove. Many nongame species can part of the substratum is light brownish gray clay loam. be attracted by establishing areas for nesting and escape The lower part to a depth of 60 inches is brown sandy cover. For pheasants, undisturbed nesting cover is essen- loam. tial and should be included in plans for habitat develop- Permeability is moderately slow. Available water ment, especially in areas of intensive agriculture. Range- capacity is high. The effective rooting depth is 60 inches land wildlife, for example, the pronghorn antelope, can be or more. Surface runoff is medium, and the erosion attracted by developing livestock watering facilities, hazard is low. managing livestock grazing, and reseeding where needed. In irrigated areas this soil is suited to all crops corn- This soil has fair to poor potential for urban develop- monly grown in the area, including corn, sugar beets, ment. It has moderate to high shrink swell, low strength, beans, alfalfa, small grain, potatoes, and onions. An exam- and moderately slow permeability. These features create pie of a suitable cropping system is 3 to 4 years of alfalfa problems in dwelling and road construction. Those areas followed by corn, corn for silage, sugar beets, small grain, that have loam or sandy loam in the lower part of the or beans. Generally such characteristics as a high clay substratum are suitable for septic tank absorption fields content or a rapidly permeable substratum slightly and foundations. Some areas of this soil are adjacent to restrict some crops. streams and are subject to occasional flooding. The poten- All methods of irrigation are suitable, but furrow ir- tial is fair for such recreational development as camp and rigation is the most common. Proper irrigation water picnic areas and playgrounds. Capability subclass IIe ir- management is essential. Barnyard manure and commer- rigated, IIIc nonirrigated; Loamy Plains range site. cial fertilizer are needed for top yields. 41—Nunn clay loam, 0 to 1 percent slopes. This is a Most nonirrigated areas are used for small grain. The deep, well drained soil on terraces and smooth plains at soil is summer fallowed in alternate years. Winter wheat elevations of 4,550 to 5,150 feet. It formed in mixed allu- is the principal crop. If the crop is winterkilled, spring vium and eolian deposits. Included in mapping are small, wheat can be seeded. Generally precipitation is too low long and narrow areas of sand and gravel deposits and for beneficial use of fertilizer. small areas of soils that are subject to occasional flooding. Such practices as stubble mulch farming, striperopping, Some small leveled areas are also included. and minimum tillage are needed to control soil blowing Typically the surface layer of this Nunn soil is grayish and water erosion. brown clay loam about 9 inches thick. The subsoil is light The potential native vegetation is dominated by blue brownish gray clay loam about 14 inches thick. The upper grama. Several mid grasses, such as western wheatgrass part of the substratum is clay loam. The lower part to a and needleandthread, are also present. Potential produc- depth of 60 inches is sandy loam. tion ranges from 1,600 pounds per acre in favorable years Permeability is moderately slow. Available water to 1,000 pounds in unfavorable years. As range condition capacity is high. The effective rooting depth is 60 inches deteriorates, the mid grasses decrease; blue grama, buf- or more. Surface runoff is slow, and the erosion hazard is falograss, snakeweed, yucca, and fringed sage increase; low. and forage production drops. Undesirable weeds and an- This soil is used almost entirely for irrigated crops. It nuals invade the site as range condition becomes poorer. is suited to all crops commonly grown in the area, includ- Management of vegetation on this soil should be based ing corn, sugar beets, beans, alfalfa, small grain, potatoes, on taking half and leaving half of the total annual produc- and onions. An example of a suitable cropping system is 3 tion. Seeding is desirable if the range is in poor condition. to 4 years of alfalfa followed by corn, corn for silage, Sideoats grama, little bluestem, western wheatgrass, blue sugar beets, small grain, or beans. Few conservation prac- grama, pubescent wheatgrass, and crested wheatgrass are tices are needed to maintain top yields. suitable for seeding. The grass selected should meet the All methods of irrigation are suitable, but furrow ir- seasonal requirements of livestock. It can be seeded into rigation is the most common. Barnyard manure and com- a clean, firm sorghum stubble, or it can be drilled into a mercial fertilizer are needed for top yields. firm prepared seedbed. Seeding early in spring has Windbreaks and environmental plantings of trees and proven most successful. shrubs commonly grown in the area are generally well Windbreaks and environmental plantings of trees and suited to this soil. Cultivation to control competing ,---. shrubs commonly grown in the area are generally well vegetation should be continued for as many years as suited to this soil. Cultivation to control competing possible following planting. Trees that are best suited and WELD COUNTY, COLORADO, SOUTHERN PART 105 TABLE 7.--SANITARY FACILITIES--Continued y►_ toil name and Septic tank Sewage lagoon Trench Area Daily cover map symbol absorption areas - sanitary sanitary for landfill fields landfill landfill 21 , 22 Severe: Severe: Severe: Slight Fair: Dacono percs slowly. seepage. seepage. too clayey. 23 Moderate: Moderate: Slight Slight Good. Fort Collins percs slowly. seepage. a e. 24 Moderate: Moderate: Slight Slight Fort Collins percs slowly. seepage, g Good. slope. 25, 26 Severe: Severe: Severe: Severe: Good. Haverson floods. floods. floods. floods. 27, 28 Severe: Moderate: Severe: Slight Poor: Heldt percs slowly. slope. too clayey. too clayey. Y Y• 29, 30 Slight Severe: Severe: Severe: Good. Julesburg seepage. seepage. seepage. 31 Slight Moderate: Slight Slight Good. Kim seepage. 32, 33 Slight Moderate: Slight Slight Good. Kim seepage, slope. 34 Slight Severe: Slight Slight Good. Kim slope. 35*: Loup Severe: Severe: Severe: Severe: Poor: wetness, wetness, wetness, wetness, wetness. floods. seepage, floods, floods, floods.- seepage. seepage. Boel Severe: Severe: Severe: Severe: Poor: wetness, wetness, wetness, wetness, too sandy. floods. seepage, floods, floods. floods. seepage. 36*: Midway Severe: Severe: Severe: Moderate: Poor: percs slowly, depth to rock, depth to rock, slope. too clayey, depth to rock. slope. too clayey. thin layer. Shingle Severe: Severe: Severe: Moderate: Severe: depth to rock. slope, depth to rock. slope. thin layer. depth to rock. 37, 38 Severe: Severe: Severe: Severe: Fair: Nelson depth to rock. depth to rock, depth to rock, seepage. thin layer. seepage. seepage. 39 Severe: Moderate: Slight Slight Fair: Nunn percs slowly. excess humus. too clayey. 40 milp Severe: Moderate: Slight Slight Fair: Nunn percs slowly. excess humus, too clayey. slope. 41 Severe: Moderate: Slight Slight Fair: Nunn percs slowly. excess humus. - too clayey. 42 Severe: Moderate: Slight Slight Fair: Nunn percs slowly. excess humus, too clayey. slope. /"--"e footnote at end of table. 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. too clayey. 44, 45, 46, 47, 48-- Slight Severe: Slight Slight Good. Olney seepage. 49 Slight Severe: Severe: Severe: Fair: Osgood seepage. seepage. seepage. too sandy. 50, 51 , 52 Slight Severe: Slight Slight Good. Otero seepage. 53 Slight Severe: Slight Slight Good. Otero slope, seepage. 54 Slight Severe: Severe: Severe: Good. Paoli seepage. seepage. seepage. 55 Slight Severe: Severe: Severe: Good. Paoli seepage. seepage. seepage. 56, 57 sill Severe: Severe: Severe: Slight Fair: Renohill percs slowly, depth to rock. ' depth to rock. too clayey, depth to rock. thin layer. 58, 59 Severe: Severe: Severe: Slight Poor: Shingle depth to rock.' depth to rock. depth to rock. thin layer. 60*: Shingle Severe: Severe: Severe: Slight Poor: depth to rock. depth to rock. depth to rock. thin layer. r 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. 67, 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. 71*: Valent Slight Severe: Severe: Severe: Poor: seepage. too sandy, seepage. too sandy. seepage. See footnote at end of table. WELD COUNTY, COLORADO, SOUTHERN PART 101 TABLE 6.--BUILDING SITE DEVELOPMENT--Continued -",".•- T .oil name and Shallow Dwellings Dwellings Small Local roads map symbol excavations without with , commercial and streets basements basements buildiags 19 Moderate: Severe: Severe: Severe: Severe: Colombo floods. floods, floods. floods. floods. 20 Slight Moderate: Moderate: Moderate: Moderate: Colombo low strength. low strength. low strength. low strength, frost action. 21 , 22 Severe: Moderate: Slight Moderate: Severe: Dacono cutbanks cave, low strength, low strength, shrink-swell, shrink-swell, shrink-swell. low strength. 23, 24 Slight Moderate: Moderate: Moderate: Moderate: Fort Collins low strength. low strength, low strength. low strength. shrink-swell. 25, 26 Severe: Severe: Severe: Severe: Severe: Haverson floods. floods. floods. floods. floods. 27, 28 Severe: Severe: Severe: Severe: Severe: Heldt too clayey. shrink-swell, shrink-swell, shrink-swell, shrink-swell, low strength. low strength. low strength. low strength. 29, 30 Slight Moderate: Moderate: Moderate: Moderate: Julesburg low strength. low strength. low strength. low strength, frost action. 31 , 32 Slight Moderate: Moderate: Moderate: Moderate: Kim low strength. low strength. low strength. low strength. 33, 34 Slight Moderate: Moderate: Moderate: Moderate: Kim low strength. low strength. low strength, low strength. slope. 35*: Loup Severe: Severe: Severe: Severe: Severe: wetness, wetness, wetness, wetness, wetness. cutbanks cave. floods. floods. floods. Boel Severe: Severe: Severe: Severe: Severe: wetness, wetness, wetness, wetness, wetness, floods, floods. floods. floods. floods. cutbanks cave. 36*: Midway Severe: Severe: Severe: Severe: Severe: too clayey. shrink-swell, shrink-swell, slope,P shrink-swell, low strength. low strength. shrink-swell, low strength. low strength. Shingle Severe: Severe: Severe: Severe: Severe: depth to rock. depth to rock. depth to rock. depth to rock, depth to rock. slope. 37 Severe: Moderate: Severe: Moderate: Moderate: Nelson depth to rock. depth to rock, depth to rock. depth to rock, depth to rock, low strength. low strength. low strength. 38 Severe: Moderate: Severe: Moderate: Moderate: Nelson depth to rock. depth to rock, depth to rock. slope, depth to rock, low strength. depth to rock, low strength. low strength. 39, 40, 41 42, 43 Moderate: Severe: Severe: Severe: Severe: Nunn too clayey. shrink-swell, shrink-swell, shrink-swell , shrink-swell, low strength. low strength. low strength. low strength. ,.."-e footnote at end of table. 102 SOIL SURVEY 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 44 Slight Slight Slight Slight Moderate: Olney low strength. 45 Slight Slight Slight Moderate: Moderate: Olney slope. 4, low strength. 46, 47 Slight Slight Slight Slight Moderate: Olney 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. 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, 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. 60*: Shingle Severe: Severe: Severe: Severe: Severe: depth to rock. depth to rock. depth to rock. depth to rock. depth to rock. Renohill Moderate: Moderate: Moderate: Moderate: Severe: 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. 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. 65 Moderate: Moderate: Moderate: Moderate: Moderate: Thedalund depth to rock. low strength. depth to rock. I low strength, low strength. slope. See footnote at end of table. NATIONAL FLOOD INSURANCE A06RAM r. FIRM v FLOOD INSURANCE RATE MAP WELD COUNTY, COLORADO UNINCORPORATED PXREA PANEL 990 OF 1075 (SEE MAP INDEX FOR PANELS NOT PRINTED) I COMMUNITY-PANEL NUMBER 020266 0990 C MAP REVISED: SEPTEMBER 28, 1982 federal emergency management agency "E" FRAME r 29 28 • E) ZONE 32 33 • 1 Dam BASE LINE ROAD I a a a al= a - SISSISSINS - SI a Hello