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Map Unit Description <br />San Miguel Area, Colorado, PaAs of Dolores, Montrose, and San Miguel Counties <br />57 Minchey fine sandy loam, 1 to 10 percent slopes <br />Setting <br />Elevation: 5400 to 6000 feet <br />Mean annual precipitation: 8 to 10 inches <br />Mean annual air temperature: 4910 51 degrees F <br />Frost-free period: 130 to 150 days <br />Minchey and similar soils: 85 percent <br />Description of Minchey <br />Setting <br />Landform: Mesas, structural benches, alluvial fans <br />Down-slope shape: Linear <br />Across-slope shape: Linear <br />Parent matedal: Alluvium derived from sandstone <br />Properties and Qualities <br />Slope'. 1 to 10 percent <br />Drainage class: Well drained <br />Capacity of the most limiting layer to transmit water (Ksat): <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Calcium carbonate maximum: 40 percent <br />Gypsum maximum: 0 percent <br />Sodium adsorption ratio maximum: 10.0 <br />Available water capacity: Moderate (about 7.3 inches) <br />Interpretive Groups <br />Land capability (non irdgated): 6c <br />Ecological site: Loamy Saltdesert (R035XY401C0) <br />Typical Profile <br />0 to 5 inches: fine sandy loam <br />6 to 30 inches: sandy clay loam, gravelly sandy clay loam <br />30 to 60 inches: very gravelly sandy loam <br />Composition <br />Moderately high or high (0.60 to 2.00 in/hr) <br />Us~j~ Natural Resources <br />Conservation Service Tabular Data Version: 4 <br />Tabular Data Version Dale: 01/10/2007 <br />Page l-0 <br />