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Moffat County Area, Colorado <br />Ba and <br />Component Descriptions <br />Des stion: Badland consists of very steep • rren <br />la • that is dissected by many intermitt: t <br />dra 'age channels. Badlands are asso ated with <br />soft eologic materials. Local relief g= erally <br />rang . from 0 to 1,000 feet. Potenti unoff is <br />very . h and erosion is active. <br />Landform: reaks <br />Slope: 40 to ►5 percent <br />Depth to res fictive feature: 0 to 3 i es to bedrock <br />(paralithi <br />Drainage clas Somewhat exce - - ively drained <br />Slowest perme. •ility: to .0 in. /hr. (very slow) <br />Available water •acity: Abo 1.0 inches (very low) <br />Shrink -swell pote 'al: About .5 percent (high) <br />Runoff class: Very igh <br />Calcium carbonate , axim : About 15 percent <br />Gypsum maximum: , o 10 percent <br />Salinity maximum: Ab• 20 mmhos /cm (strongly <br />saline) <br />Sodium adsorption r. o 'aximum: About 30 <br />(strongly sodic) <br />Land capability s class ( 'nirrigated): 8 <br />Minor Compo nts <br />Hiatha and - filar soils <br />Comp • ition: About 5 percen <br />Land rm: Breaks <br />De • to restrictive feature: 10 to '0 inches to <br />edrock (paralithic) <br />Chi' -ta and similar soils <br />Composition: About 5 percent <br />Landform: Breaks <br />Depth to restrictive feature: 10 to 20 inches <br />bedrock (paralithic) <br />9— Baroid - Eghelm complex, 0 to 3 percent <br />slopes <br />Map Unit Setting <br />Major Land Resource Area: 34 <br />Elevation: 5,300 to 6,000 feet (1,615 to 1,829 meters) <br />Mean annual precipitation: 7 to 10 inches (178 to <br />254 millimeters) <br />Mean annual air temperature: 45 to 48 degrees F. <br />(7.2 to 8.9 degrees C.) <br />Freeze -free period: 90 to 105 days <br />Baroid soils <br />Map Unit Composition <br />Baroid and similar soils: 55 percent <br />Eghelm and similar soils: 35 percent <br />Minor components: 10 percent <br />Component Descriptions <br />33 <br />Landform: Flood plains <br />Parent material: Alluvium derived from mixed sources <br />Slope: 0 to 3 percent <br />Drainage class: Somewhat excessively drained <br />Slowest permeability: 0.6 to 2.0 in. /hr. (moderate) <br />Available water capacity: About 5.4 inches (low) <br />Shrink - swell potential: About 1.5 percent (low) <br />Flooding hazard: Rare <br />Seasonal high water table depth: About 60 to 84 <br />inches <br />Runoff class: Negligible <br />Calcium carbonate maximum: About 10 percent <br />Gypsum maximum: None <br />Salinity maximum: About 8 mmhos /cm (slightly <br />saline) <br />Sodium adsorption ratio maximum: About 10 (slightly <br />sodic) <br />Ecological site: Cold Desert Overflow <br />Potential native vegetation: basin wildrye, common <br />reed, alkali sacaton, western wheatgrass <br />Land capability subclass (irrigated): 4s <br />Land capability subclass (nonirrigated): 6c <br />Typical Profile: <br />0 to 3 inches; loamy fine sand <br />3 to 47 inches; stratified fine sand to fine sandy <br />loam <br />47 to 60 inches; loam <br />Eghelm soils <br />Landform: Flood plains <br />Parent material: Alluvium derived from mixed sources <br />Slope: 0 to 3 percent <br />Drainage class: Well drained <br />Slowest permeability: 2.0 to 6.0 in. /hr. (moderately <br />rapid) <br />Available water capacity: About 7.5 inches (moderate) <br />Shrink - swell potential: About 1.5 percent (low) <br />Flooding hazard: Rare <br />Seasonal high water table depth: About 60 to <br />72 inches <br />Runoff class: Very low <br />Calcium carbonate maximum: About 10 percent <br />Gypsum maximum: None <br />