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Map Unit Description:Bulkley silty clay,12 to 25 percent slopes—Moffat County Area, Fedinec Pit Colorado Moffat County Area, Colorado 23—Bulkley silty clay, 12 to 25 percent slopes Map Unit Setting National map unit symbol. jpcm Elevation: 6,200 to 7,000 feet Mean annual precipitation: 13 to 15 inches Mean annual air temperature: 42 to 45 degrees F Frost-free period. 75 to 95 days Farmland classification: Not prime farmland Map Unit Composition Bulkley and similar soils: 90 percent Minor components: 10 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Bulkley Setting Landform: Hills Landform position (three-dimensional): Head slope, nose slope, side slope, base slope Down-slope shape: Linear Across-slope shape: Linear Parent material. Residuum derived from shale Typical profile H1 -0 to 4 inches: silty clay H2-4 to 36 inches: clay H3-36 to 60 inches: silty clay Properties and qualities Slope: 12 to 25 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Well drained Runoff class: High Capacity of the most limiting layer to transmit water(Ksat): Very low to moderately low(0.00 to 0.06 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum in profile: 10 percent Gypsum, maximum in profile: 1 percent Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm) Available waterstorage in profile: High (about 9.0 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (nonirrigated): 6e USDA Natural Resources Web Soil Survey 12/27/2016 Conservation Service National Cooperative Soil Survey Page 1 of 2