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Moffat County Area, Colorado -44 173 <br />Depth to restrictive feature: 4 to 30 inches to bedrock <br />(paralithic); 4 to 30 inches to bedrock (lithic) <br />Drainage class: Well drained <br />Slowest permeability: 0.2 to 0.6 in. /hr. (moderately <br />slow) <br />Available water capacity: About 2.1 inches (very low) <br />Shrink - swell potential: About 4.5 percent (moderate) <br />Runoff class: High <br />Calcium carbonate maximum: About 10 percent <br />Gypsum maximum: None <br />Salinity maximum: About 0 mmhos /cm (nonsaline) <br />Sodium adsorption ratio maximum: About 0 <br />(nonsodic) <br />Potential native vegetation: Indian ricegrass, <br />sagebrush, wheatgrass <br />Land capability subclass (nonirrigated): 7e <br />Typical Profile: <br />0 to 2 inches; clay loam <br />2 to 15 inches; clay <br />15 to 19 inches; weathered bedrock <br />Torripsamments soils <br />Landform: Hillslopes <br />Position on landform: Footslope <br />Parent material: Eolian deposits and residuum <br />derived from sandstone <br />Slope: 12 to 40 percent <br />Depth to restrictive feature: 20 to 80 inches to <br />bedrock (lithic); 20 to 80 inches to bedrock <br />(paralithic) <br />Drainage class: Excessively drained <br />Slowest permeability: 6.0 to 20 in. /hr. (rapid) <br />Available water capacity: About 1.4 inches (very low) <br />Shrink -swell potential: About 1.5 percent (low) <br />Runoff class: High <br />Calcium carbonate maximum: About 2 percent <br />Gypsum maximum: About 1 percent <br />Salinity maximum: About 2 mmhos /cm (nonsaline) <br />Sodium adsorption ratio maximum: About 1 (slightly <br />sodic) <br />Potential native vegetation: Indian ricegrass, <br />needleandthread, wheatgrass, sagebrush, <br />threadleaf sedge, Nevada bluegrass <br />Land capability subclass (nonirrigated): 7e <br />Typical Profile: <br />0 to 4 inches; sand <br />4 to 26 inches; loamy sand <br />26 to 30 inches; unweathered bedrock <br />Minor Components <br />Ruedloff and similar soils <br />Composition: About 4 percent <br />Rock River and similar soils <br />Composition: About 3 percent <br />Ryan Park and similar soils <br />Composition: About 3 percent <br />Landform: Plateaus <br />Parent material: Eolian , e osits derived from <br />sandstone <br />Slope: 3 to 12 perce <br />Drainage class: W= drained <br />Slowest permeab y: 0.6 to 2. in. /hr. (moderate) <br />Available water . pacity: About .8 inches (moderate) <br />Shrink -swell po' ntial: About 1.5 percent (low) <br />Runoff class: dium <br />Calcium carbi ate maximum: Ab t 10 percent <br />Gypsum ma mum: None <br />Salinity ma mum: About 2 mmhos (nonsaline) <br />Sodium a' - orption ratio maximum: ' out 0 <br />(non •dic) <br />Ecologi :l site: Loamy 7 - 10" PPT <br />Poten =1 native vegetation: Wyoming bi <br />dscale saltbush, streambank wh <br />dian ricegrass, Nevada bluegrass, <br />eedleandthread, streambank wheatg ss, <br />western wheatgrass <br />nd capability subclass (nonirrigated): 6c <br />0— Tresano sandy loam, 3 to 12 perc <br />slopes <br />Map Unit Setting <br />Majo and Resource Area: 34 <br />Elevati. • 6,000 to 7,000 feet (1,829 to 2,1 meters) <br />Mean an al precipitation: 9 to 11 inches 29 to 279 <br />millim - rs) <br />Mean annu air temperature: 42 to 45 - grees F. <br />(5.6 to 7. •egrees C.) <br />Freeze -free pe .d: 75 to 95 days <br />Unit Compos on <br />Tresano and simil- soils: 80 pe' ent <br />Minor components: 0 percen <br />Compo ent D criptions <br />Tresano soils <br />sagebrush, <br />tgrass, <br />