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Map Unit Description—Phillips County,Colorado <br /> Landform position (two-dimensional): Summit <br /> Landform position (three-dimensional). Interfluve <br /> Down-slope shape. Linear <br /> Across-slope shape: Linear <br /> Parent material: Mixed eolian deposits over calcareous tertiary <br /> alluvium <br /> Typical profile <br /> Ap-0 to 6 inches: loam <br /> Bt1 -6 to 11 inches: clay <br /> Bt2- 11 to 20 inches: clay <br /> Bk1 -20 to 27 inches: clay loam <br /> Bk2-27 to 37 inches: sandy clay loam <br /> C-37 to 80 inches: sandy loam <br /> Properties and qualities <br /> Slope: 3 to 5 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Well drained <br /> Runoff class: Medium <br /> Capacity of the most limiting layer to transmit water(Ksat): <br /> Moderately low to moderately high (0.06 to 0.20 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: 15 percent <br /> Salinity, maximum in profile: Nonsaline (0.1 to 1.0 mmhos/cm) <br /> Available water storage in profile: Moderate (about 7.9 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): 4e <br /> Land capability classification(nonirrigated): 4e <br /> Hydrologic Soil Group: C <br /> Ecological site: Loamy Plains (R067BY002CO) <br /> Hydric soil rating: No <br /> Minor Components <br /> Wages <br /> Percent of map unit: 10 percent <br /> Landform: Interfluves <br /> Landform position (two-dimensional): Summit <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Ecological site: Loamy Plains(R067BY002CO) <br /> Hydric soil rating: No <br /> Stoneham <br /> Percent of map unit: 5 percent <br /> Landform: Interfluves <br /> Landform position (two-dimensional): Summit <br /> Landform position (three-dimensional). Interfluve <br /> Down-slope shape. Linear <br /> Across-slope shape: Linear <br /> USDA Natural Resources Web Soil Survey 10/23/2019 <br /> Conservation Service National Cooperative Soil Survey Page 5 of 8 <br />