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Map Unit Description:Midway-Chicosa complex,5 to 35 percent slopes--Las Animas County Mooney Hills Pit Area,Colorado,Parts of Huerfano and Las Animas Counties Las Animas County Area, Colorado, Parts of Huerfano and Las Animas Counties MIK—Midway-Chicosa complex, 5 to 35 percent slopes Map Unit Setting National map unit symbol: hw12 Elevation: 5,500 to 6,500 feet Mean annual precipitation: 14 to 16 inches Mean annual air temperature: 48 to 54 degrees F Frost-free period: 120 to 145 days Farmland classification: Not prime farmland Map Unit Composition Midway and similar soils:45 percent Chicosa and similar soils:40 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Midway Setting Landform: Fan remnants, pediments Landform position(two-dimensional): Backslope Landform position (three-dimensional): Side slope, riser Down-slope shape: Linear Across-slope shape: Convex Parent material: Slope alluvium and residuum weathered from shale Typical profile A -0 to 4 inches: clay loam AC-4 to 10 inches: silty clay C- 10 to 18 inches: silty clay Cr- 18 to 39 inches: bedrock Properties and qualities Slope: 15 to 35 percent Depth to restrictive feature: 10 to 20 inches to paralithic bedrock Drainage class:Well drained Runoff class: Very high Capacity of the most limiting layer to transmit water (Ksat): Moderately low to moderately high (0.06 to 0.20 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum content: 15 percent Gypsum, maximum content: 15 percent Maximum salinity:Very slightly saline to moderately saline (2.0 to 8.0 mmhos/cm) ustkN Natural Resources Web Soil Survey 9/9/2022 �� Conservation Service National Cooperative Soil Survey Page 1 of 3