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Moffat County Area, Colorado <br />Sodium adsorption ratio maximum: About 5 (slightly <br />sodic) <br />Ecological site: Loamy Cold Desert <br />Potential native vegetation: Wyoming big sagebrush, <br />needleandthread, Indian ricegrass, bottlebrush <br />squirreltail, streambank wheatgrass, shadscale <br />saltbush, western wheatgrass <br />Land capability subclass (nonirrigated): 6e <br />Typical Profile: <br />0 to 2 inches; loamy sand <br />2 to 13 inches; sandy loam <br />13 to 43 inches; very cobbly sandy loam <br />43 to 60 inches; extremely stony sand <br />Chroder soils <br />Landform: Fan terraces <br />Parent material: Eolian deposits <br />Slope: 3 to 12 percent <br />Drainage class: Well drained <br />Slowest permeability: 2.0 to 6.0 in. /hr. (moderately <br />rapid) <br />Available water capacity: About 7.1 inches (moderate) <br />Shrink -swell potential: About 1.5 percent (low) <br />Runoff class: Low <br />Calcium carbonate maximum: About 30 percent <br />Gypsum maximum: None <br />Salinity maximum: About 2 mmhos /cm (nonsaline) <br />Sodium adsorption ratio maximum: About 0 <br />(nonsodic) <br />Ecological site: Loamy Cold Desert <br />Potential native vegetation: Wyoming big sagebrush, <br />needleandthread, Indian ricegrass, bottlebrush <br />squirreltail, streambank wheatgrass, western <br />wheatgrass, shadscale saltbush <br />Land capability subclass (nonirrigated): 6e <br />Typical Profile: <br />0 to 3 inches; loamy sand <br />3 to 10 inches; sandy loam <br />10 to 43 inches; sandy loam <br />43 to 65 inches; sandy loam <br />Minor Components <br />Tipperary and similar soils <br />Composition: About 10 percent <br />Landform: Dunes <br />Cochetopa loam, 12 • percent <br />slo <br />Setting <br />Major • Resource Area: 48 <br />53 <br />levation: 7,200 to 8,300 feet (2,195 to 2,530 m ers) <br />can annual precipitation: 18 to 20 inches (45 to <br />508 millimeters) <br />an annual air temperature: 37 to 40 degre <br />(2.8 to 4.4 degrees C.) <br />Fre e-free period: 50 to 75 days <br />Map Unit Composition <br />Coch: opa and similar soils: 85 percent <br />Minor •mponents: 15 percent <br />Component Description <br />Cochet <br />a soils <br />Landfor Mountainsides <br />Parent m - erial: Residuum derived f m sandstone <br />ands :le <br />Slope: 12 t 25 percent <br />Drainage c . s: Well drained <br />Slowest per ability: .06 to 0.2 i hr. (slow) <br />Available wat, capacity: About .0 inches (high) <br />Shrink -swell • tential: About 7. •ercent (high) <br />Runoff class: ry high <br />Calcium carbon to maximum: one <br />Gypsum maxim ' • None <br />Salinity maximu About 0 hos /cm (nonsaline) <br />Sodium adsorptio ratio m. imum: About 0 <br />(nonsodic) <br />Ecological site: Mo tain oam <br />Potential native vege :t • : slender wheatgrass, <br />Letterman's need • :ss, mountain big <br />sagebrush, elk se. -, mountain brome, <br />mountain snowber nodding brome <br />Land capability subcl s onirrigated): 6e <br />Typical Profile: <br />0 to 11 inches; am <br />11 to 19 inche clay loa <br />19 to 48 inch: •; . clay loa <br />48 to 60 inc s; clay loam <br />Minor Compo ents <br />Jerry and si ar soils <br />Compos on: About 8 percent <br />Routt and ilar soils <br />Comp - ition: About 7 percent <br />38— <br />s <br />chetopa loam, 25 to 6 <br />pes <br />Map Unit Setting <br />Ma r Land Resource Area: 48A <br />ercent <br />