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Map Unit Description <br />San Miguel Area, Colorado, Pans of Dolores, Montrose, and San Miguel Counties <br />23 Bodot, dry-Ustic Torriorthents complex, 5 to 50 percent slopes <br />Setting <br />Elevation: 5400 to 6800 feet <br />Mean annual precipitation: 10 to 12 inches <br />Mean annual air temperature: 46 to 48 degrees F <br />Frost-free period: 110 to 130 days <br />Composition <br />Bodot, dry, and similar soils: 45 percent <br />Ustic torriorthents and similar soils: 40 percent <br />Description of Bodot, dry <br />Setting <br />Landform: Terraces, stmctural benches. landslides <br />Down-slope shape: Linear <br />Across-slope shape: Linear <br />Parent matedal: Residuum weathered from shale <br />Properties and Qualities <br />Slope: 5 to 50 percent <br />Surface area covered with stones and boulders: 5.0 percent <br />Depth to restrictive feature: 20 to 40 inches to Paralilhic bedrock <br />Drainage class: Well drained <br />Capacity of the most limiting layer to transmit water (Ksat): Very low or moderately high (0.00 to 0.20 in/hr) <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Calcium carbonate maximum: 10 percent <br />Gypsum maximum: 0 percent <br />Salinity maximum: Non saline or slightly saline (2.0 to 8.0 mmhos(cm) <br />Sodium adsorption ratio maximum: 10.0 <br />Available water capacity: Low (about 4.0 inches) <br />Interpretive Groups <br />Land capability (non irrgated): 7e <br />Ewlogical site: Basin Shale (R035XY408C0) <br />Typical Profile <br />0 to 3 inches: cobbly clay loam <br />3 to 30 inches: cobbly silly clay <br />30 to 34 inches: weathered bedrock <br />Description of Ustic torriorthents <br />Setting <br />Landform: Slmdural benches, landslides, terraces <br />Down-slope shape: Linear <br />Across-slope shape: Linear <br />Parent matedal: Residuum weathered from sandstone and shale <br />Properties and Qualities <br />Slope: 5 to 50 percent <br />Depth to restrictive feature: 10 to 80 inches to Lithic bedrock <br />Drainage class: Well drained <br />Capacity of the most limiting layer to transmit water (Ksat): Moderately low or moderately high (0.06 to 0.20 in/hr) <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Calcium carbonate maximum: 15 percent <br />Gypsum maximum: 0 percent <br />Available water capacity: Low (about 3.7 inches) <br />Interpretive Groups <br />Land capability (non irrigated): 7e <br />Other vegetative classification: Pinyon-Juniper (null_10) <br />Typical Profile <br />US~/~ Natural Resources <br />Conservation Service Tabular Data Version: 4 <br />Tabular Data Version Date: 01/10/2007 <br />Page I-2 <br />