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Custom Soil Resource Report <br /> 28—Dumps, dredge tailings <br /> Map Unit Setting <br /> National map unit symbol: kOzz <br /> Elevation: 9,200 to 9,800 feet <br /> Mean annual precipitation: 10 to 14 inches <br /> Mean annual air temperature: 36 to 42 degrees F <br /> Frost-free period. 50 to 80 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Dumps, dredge tailings: 90 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Dumps, Dredge Tailings <br /> Setting <br /> Landform: Outwash terraces <br /> 34—Fulvance cobbly loam, 20 to 50 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: kOxy <br /> Elevation: 8,000 to 11,100 feet <br /> Mean annual precipitation: 14 to 23 inches <br /> Mean annual air temperature: 37 to 40 degrees F <br /> Frost-free period. 50 to 80 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Fulvance and similar soils: 80 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Fulvance <br /> Setting <br /> Landform: Mountains <br /> Landform position(three-dimensional): Mountainbase, mountainflank <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Colluvium and/or slope alluvium derived from igneous rock; <br /> colluvium and/or slope alluvium derived from sandstone <br /> Typical profile <br /> Oi-0 to 2 inches: slightly decomposed plant material <br /> A-2 to 3 inches: cobbly loam <br /> E-3 to 14 inches: very cobbly loam <br /> 14 <br />