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Custom Soil Resource Report <br /> Moffat County Area, Colorado <br /> 54—Deaver-Avalon complex, 5 to 45 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: jpdq <br /> Elevation: 5,500 to 6,100 feet <br /> Mean annual precipitation: 9 to 11 inches <br /> Mean annual air temperature: 45 to 48 degrees F <br /> Frost-free period. 90 to 105 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Deaver and similar soils: 50 percent <br /> Avalon and similar soils: 30 percent <br /> Minor components: 20 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Deaver <br /> Setting <br /> Landform: Hillslopes <br /> Landform position (three-dimensional): Side slope <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Residuum derived from shale <br /> Typical profile <br /> H1 -0 to 2 inches: gravelly silty clay loam <br /> H2-2 to 30 inches: silty clay <br /> H3-30 to 34 inches: weathered bedrock <br /> Properties and qualities <br /> Slope: 15 to 45 percent <br /> Depth to restrictive feature: 20 to 40 inches to paralithic bedrock <br /> Natural drainage class: Well drained <br /> Runoff class: Very high <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately low to <br /> moderately high (0.06 to 0.20 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: None <br /> Frequency of ponding: None <br /> Calcium carbonate, maximum in profile: 15 percent <br /> Gypsum, maximum in profile: 10 percent <br /> Salinity, maximum in profile: Nonsaline to slightly saline (0.0 to 4.0 mmhos/cm) <br /> Sodium adsorption ratio, maximum in profile: 10.0 <br /> Available water storage in profile: Low(about 4.5 inches) <br /> Interpretive groups <br /> Land capability classification(irrigated): None specified <br /> Land capability classification(nonirrigated): 7e <br /> Hydrologic Soil Group: D <br /> Ecological site: Clayey Slopes(R034XY246CO) <br /> Hydric soil rating: No <br /> 13 <br />