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19. Soil Types in the area are. New soils map Included <br /> Yuma County, Colorado <br /> 15—Eckley gravelly sandy loam, 3 to 7 percent slopes <br /> Map Unit Setting <br /> • National map unit symbol: 35xc <br /> • Elevation: 4,200 to 5,200 feet <br /> • Mean annual precipitation: 13 to 15 inches <br /> • Mean annual air temperature: 48 to 52 degrees F <br /> • Frost-free period: 145 to 155 days <br /> • Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> • Eckley and similar soils: 85 percent <br /> • Minor components: 15 percent <br /> • Estimates are based on observations, descriptions, and transects of the <br /> mapunit. <br /> Description of Eckley <br /> Yuma County, Colorado <br /> 14—Dwyer-Vona loamy sands, 3 to 9 percent slopes <br /> Map Unit Setting <br /> • National map unit symbol: 35xb <br /> • Elevation: 3,500 to 5,000 feet <br /> • Mean annual precipitation: 12 to 18 inches <br /> • Mean annual air temperature: 48 to 55 degrees F <br /> • Frost-free period: 125 to 170 days <br /> • Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> • Dwyer and similar soils: 60 percent <br /> • Vona and similar soils: 25 percent <br /> • Minor components: 15 percent <br /> • Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Dwyer <br /> Setting <br /> • Landform: Hills, drainageways <br /> • Down-slope shape: Linear <br /> • Across-slope shape: Linear <br /> • Parent material: Eolian sands <br /> Typical profile <br /> • HI - 0 to 12 inches: loamy sand <br /> • H2 - 12 to 30 inches: loamy sand <br /> • H3 - 30 to 60 inches: fine sand <br />