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Map Unit Description — Ridgway Area, Colorado, Parts of Delta, Gunnison, <br />Montrose, and Ouray Counties <br />Across -slope shape: Convex <br />Ecological site: Clayey Saltdesert (R034XY403C0) <br />Badlands <br />Percent of map unit: 10 percent <br />999 —Water <br />Map Unit Composition <br />Water: 95 percent <br />Minor components: 5 percent <br />Minor Components <br />Aquolls <br />Percent of map unit: 5 percent <br />Landform: Alluvial flats <br />NOTCOM —Not Complete <br />Map Unit Composition <br />No digital information available: 100 percent <br />R3 —Rock outcrop, Ustic Torriorthents, and Aridic <br />Haplustepts soils, 25 to 200 percent slopes <br />Map Unit Setting <br />Elevation: 5,000 to 8,200 feet <br />Mean annual precipitation: 10 to 16 inches <br />Mean annual air temperature: 45 to 49 degrees F <br />Frost -free period: 110 to 145 days <br />Map Unit Composition <br />Rock outcrop: 30 percent <br />Ustic torriorthents and similar soils: 30 percent <br />Aridic haplustepts and similar soils: 30 percent <br />Minor components: 10 percent <br />Description of Aridic Haplustepts <br />Setting <br />Landform: Escarpments on cuestas, escarpments on mesas <br />Parent material: Loamy colluvium derived from sandstone and shale <br />over loamy residuum weathered from sandstone and shale <br />Properties and qualities <br />Slope: 25 to 90 percent <br />Surface area covered with cobbles, stones or boulders: 25.0 percent <br />Depth to restrictive feature: 4 to 85 inches to bedrock (lithic) <br />Drainage class: Well drained <br />Capacity of the most limiting layer to transmit water <br />(Ksat): Moderately high to high (0.57 to 5.95 in /hr) <br />Depth to water table: More than 80 inches <br />USDA Natural Resources Web Soil Survey <br />" aim Conservation Service National Cooperative Soil Survey <br />10/27/2012 <br />Page 56 of 63 <br />