Laserfiche WebLink
Map Unit Description: Rock outcrop-Coldcreek-Tolman complex, 9 to 90 percent slopes—El Paso <br />County Area, Colorado <br />El Paso County Area, Colorado <br />77—Rock outcrop-Coldcreek-Tolman complex, 9 to 90 percent <br />slopes <br />Map Unit Setting <br />National map unit symbol: 369r <br />Elevation: 7,500 to 8,500 feet <br />Frost -free period: 60 to 100 days <br />Farmland classification: Not prime farmland <br />Map Unit Composition <br />Coldcreek and similar soils: 30 percent <br />Rock outcrop: 30 percent <br />Tolman and similar soils: 20 percent <br />Estimates are based on observations, descriptions, and transects of the <br />mapunit. <br />Description of Rock Outcrop <br />Typical profile <br />R - 0 to 60 inches: unweathered bedrock <br />Properties and qualities <br />Slope: 9 to 90 percent <br />Depth to restrictive feature: 0 inches to lithic bedrock <br />Available water storage in profile: Very low (about 0.0 inches) <br />Interpretive groups <br />Land capability classification (irrigated): None specified <br />Land capability classification (nonirrigated): 8s <br />Hydrologic Soil Group: D <br />Description of Coldcreek <br />Setting <br />Landform: Mountains <br />Landform position (three-dimensional): Mountainflank <br />Down-slope shape: Linear <br />Across -slope shape: Linear <br />Parent material: Residuum <br />Typical profile <br />A - 0 to 6 inches: gravelly loam <br />EB - 6 to 31 inches: extremely cobbly sandy loam <br />Bt - 31 to 43 inches: extremely cobbly clay loam <br />R - 43 to 47 inches: unweathered bedrock <br />Properties and qualities <br />Slope: 9 to 65 percent <br />Depth to restrictive feature: 40 to 60 inches to lithic bedrock <br />Natural drainage class: Well drained <br />Runoff class: High <br />USDA Natural Resources Web Soil Survey 10/21/2015 <br />Conservation Service National Cooperative Soil Survey Page 1 of 2 <br />