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Sanders Gravel Pit <br /> Exhibit B-2:Soil Resources Report and Map <br /> Custom Soil Resource Report <br /> Routt Area, Colorado, Parts of Rio Blanco and Routt Counties <br /> 2E—Routtskin loam, 12 to 25 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: kOds <br /> Elevation: 6,560 to 8,530 feet <br /> Mean annual precipitation: 20 to 24 inches <br /> Mean annual air temperature: 38 to 41 degrees F <br /> Frost-free period: 30 to 70 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Routtskin and similar soils: 90 percent <br /> Minor components: 10 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Routtskin <br /> Setting <br /> Landform: Hills <br /> Landform position (two-dimensional): Backslope <br /> Landform position (three-dimensional): Side slope <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material. Slope alluvium and/or colluvium derived from sandstone and <br /> shale <br /> Typical profile <br /> Al -0 to 5 inches: loam <br /> A2-5 to 14 inches: loam <br /> Bt1 - 14 to 23 inches: gravelly clay loam <br /> Bt2-23 to 39 inches: cobbly clay <br /> Bt3 39 to 60 inches.- clay-loam <br /> Properties and qualities <br /> Slope: 12 to 25 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Drainage class:Well drained <br /> Runoff class: High <br /> Capacity of the most limiting layer to transmit water(Ksat):Moderately low to <br /> moderately high (0.07 to 0.21 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: None <br /> Frequency of ponding: None <br /> Maximum salinity: Nonsaline to very slightly saline(0.0 to 2.0 mmhos/cm) <br /> Available water capacity. High (about 9.3 inches) <br /> Interpretive groups <br /> Land capability classification(irrigated): 6e <br /> Land capability classification(nonirrigated): 6e <br /> Hydrologic Soil Group: C <br /> Ecological site: R048AY247CO <br /> Hydric soil rating: No <br /> 14 <br />