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Map Unit Description:Cascajo very gravelly sandy loam,5 to 25 percent slopes—Pueblo Area, <br /> Colorado,Parts of Pueblo and Custer Counties <br /> Pueblo Area, Colorado, Parts of Pueblo and Custer <br /> Counties <br /> CaE—Cascajo very gravelly sandy loam, 5 to 25 percent <br /> slopes <br /> Map Unit Setting <br /> National map unit symbol. 36c5 <br /> Elevation: 4,400 to 6,000 feet <br /> Mean annual precipitation: 11 to 14 inches <br /> Mean annual air temperature: 50 to 54 degrees F <br /> Frost-free period: 145 to 175 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Cascajo and similar soils: 90 percent <br /> Minor components: 10 percent <br /> Estimates are based on observations, descriptions, and transects of the <br /> mapunit. <br /> Description of Cascajo <br /> Setting <br /> Landform: Terraces <br /> Landform position(three-dimensional): Tread, riser <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Sandy and gravelly alluvium <br /> Typical profile <br /> A-0 to 10 inches: very gravelly sandy loam <br /> Bk- 10 to 21 inches: very gravelly sandy loam <br /> C-21 to 60 inches: stratified extremely gravelly coarse sand <br /> Properties and qualities <br /> Slope: 5 to 25 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Excessively drained <br /> Runoff class. Low <br /> Capacity of the most limiting layer to transmit water(Ksat): High(2.00 <br /> to 6.00 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: 25 percent <br /> Salinity, maximum in profile: Nonsaline to very slightly saline(0.0 to <br /> 2.0 mmhos/cm) <br /> Available water storage in profile: Very low(about 1.9 inches) <br /> Interpretive groups <br /> Land capability classification(irrigated): None specified <br /> Land capability classification(nonkrigated): 7s <br /> usDk Natural Resources Web Soil Survey 10/26/2015 <br /> Conservation Service National Cooperative Soil Survey Page 1 of 2 <br />