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Map Unit Description:Louviers-Travessilla complex,20 to 50 percent slopes—Fremont County JJ Stone Pit#1 Amendment <br /> Area,Colorado <br /> Fremont County Area, Colorado <br /> 64—Louviers-Travessilla complex, 20 to 50 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: jgk7 <br /> Elevation: 5,300 to 6,800 feet <br /> Mean annual precipitation: 13 to 15 inches <br /> Mean annual air temperature: 48 to 52 degrees F <br /> Frost-free period: 120 to 150 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Louviers and similar soils: 40 percent <br /> Travessilla and similar soils: 35 percent <br /> Estimates are based on observations, descriptions, and transects of the <br /> mapunit. <br /> Description of Louviers <br /> Setting <br /> Landform: Hogbacks, canyons, hills <br /> Landform position(three-dimensional): Crest <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material: Residuum weathered from shale and siltstone <br /> Typical profile <br /> A- 0 to 3 inches: very channery clay loam <br /> C-3 to 16 inches: clay, clay loam <br /> C-3 to 16 inches: weathered bedrock <br /> Cr- 16 to 20 inches: <br /> Properties and qualities <br /> Slope: 20 to 50 percent <br /> Depth to restrictive feature: 10 to 20 inches to paralithic bedrock <br /> Natural drainage class: Well drained <br /> Runoff class: Very high <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 /> Available water storage in profile: Low(about 4.5 inches) <br /> Interpretive groups <br /> Land capability classification(irrigated): None specified <br /> Land capability classification(nonirrigated): 7e <br /> Hydrologic Soil Group: D <br /> usDA Natural Resources Web Soil Survey 8/9/2016 <br /> ii Conservation Service National Cooperative Soil Survey Page 1 of 2 <br />