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Map Unit Description:Manvel silt loam,2 to 6 percent slopes,dry—Pueblo Area,Colorado,Parts <br /> of Pueblo and Custer Counties <br /> Pueblo Area, Colorado, Parts of Pueblo and Custer <br /> Counties <br /> MaB—Manvel silt loam, 2 to 6 percent slopes, dry <br /> Map Unit Setting <br /> National map unit symbol. 2rggg <br /> Elevation: 3,600 to 6,000 feet <br /> Mean annual precipitation: 10 to 12 inches <br /> Mean annual air temperature: 50 to 54 degrees F <br /> Frost-free period. 130 to 170 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Manvel, dry, 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 Manvel, Dry <br /> Setting <br /> Landform: Fans, interfluves <br /> Landform position(two-dimensional): Toeslope,footslope <br /> Landform position(three-dimensional): Side slope, interfluve <br /> Down-slope shape: Linear, convex <br /> Across-slope shape: Linear, convex <br /> Parent material: Alluvium derived from limestone and shale <br /> Typical profile <br /> A-0 to 7 inches: silt loam <br /> Bk1- 7 to 25 inches: silt loam <br /> Bk2-25 to 49 inches: silt loam <br /> Bk3-49 to 79 inches: silt loam <br /> Properties and qualities <br /> Slope: 2 to 6 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Well drained <br /> Capacity of the most limiting layer to transmit water(Ksat): <br /> Moderately high to high(0.60 to 2.00 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: None <br /> Frequency of ponding: None <br /> Calcium carbonate, maximum in profile: 45 percent <br /> Gypsum, maximum in profile: 3 percent <br /> Salinity, maximum in profile: Nonsaline to moderately saline(1.0 to <br /> 8.0 mmhos/cm) <br /> Sodium adsorption ratio, maximum in profile: 5.0 <br /> Available water storage in profile: Moderate(about 8.6 inches) <br /> USDA Natural Resources Web Soil Survey 10/26/2015 <br /> 2iiiilill Conservation Service National Cooperative Soil Survey Page 1 of 2 <br />