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Map Unit Description:Rofork very gravelly sandy loam,5 to 55 percent slopes---Teller-Park Area,Colorado,Parts of Park and Teller Counties Teller-Park Area, Colorado, Parts of Park and Teller Counties 88—Rofork very gravelly sandy loam, 5 to 55 percent slopes Map Unit Setting National map unit symbol. 2n84f Elevation: 8,100 to 10,000 feet Mean annual precipitation: 14 to 24 inches Mean annual air temperature: 36 to 41 degrees F Frost-free period: 50 to 80 days Farmland classification: Not prime farmland Map Unit Composition Rofork and similar soils: 90 percent Minor components. 10 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Rofork Setting Landform: Mountains Landform position (three-dimensional): Mountaintop, mountainflank Down-slope shape: Linear , Across-slope shape: Linear Parent material. Slope alluvium derived from granite and gneiss over residuum weathered from granite and gneiss Typical profile A 1-0 to 5 inches: very gravelly sandy loam A2-5 to 9 inches: extremely gravelly sandy loam AC-9 to 14 inches: extremely gravelly coarse sand Cr- 14 to 24 inches: bedrock Properties and qualities Slope: 5 to 55 percent Depth to restrictive feature: 10 to 20 inches to paralithic bedrock Drainage class:Well drained Runoff class: Very high Capacity of the most limiting layer to transmit water(Ksat):Very low to moderately low(0.00 to 0.14 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Available water supply, 0 to 60 inches: Very low(about 0.7 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (noninigated): 7e Hydrologic Soil Group: D Ecological site: R048AY24000-Shallow Pine USDA Natural Resources Web Soil Survey 4/18/2022 Conservation Service National Cooperative Soil Survey Page 1 of 2