2022-06-28_PERMIT FILE - M2021025

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Map Unit Description:Herbman very gravelly sandy loam,15 to 40 percent slopes--Pike National Forest,Eastern Part,Colorado,Parts of Douglas,El Paso,Jefferson,and Teller Counties Pike National Forest, Eastern Part, Colorado, Parts of Douglas, El Paso, Jefferson, and Teller Counties 17—Herbman very gravelly sandy loam, 15 to 40 percent slopes Map Unit Setting National map unit symbol: jphx Elevation: 6,000 to 13,280 feet Mean annual precipitation: 15 to 25 inches Mean annual air temperature: 28 to 46 degrees F Frost-free period. 20 to 100 days Farmland classification: Not prime farmland Map Unit Composition Herbman and similar soils:80 percent Minor components:20 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Herbman Setting Landform: Mountain slopes Landform position (three-dimensional):Mountaintop, mountainflank Down-slope shape:Convex, linear Across-slope shape:Convex, linear Parent material:Weathered from granite Typical profile Al -0 to 3 inches: very gravelly loamy sand A2-3 to 9 inches: very gravelly sandy loam AC-9 to 15 inches: extremely gravelly sandy loam Cr- 15 to 60 inches: bedrock Properties and qualities Slope: 15 to 40 percent Depth to restrictive feature:7 to 20 inches to paralithic bedrock Drainage class:Well drained Runoff class: High Capacity of the most limiting layer to transmit water (Ksat):Moderately low to high (0.06 to 2.00 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 1.0 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (nonirrigated): 7e Hydrologic Soil Group: D Ecological site: F048AY918CO-Spruce-Fir Woodland USDA Natural Resources Web Soil Survey 6/13/2022 Conservation Service National Cooperative Soil Survey Page 1 of 2