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Table I-2 <br /> • Map Unit Description—San Miguel Area,Colorado,Parts of Dolores,Montrose, <br /> and San Miguel Counties <br /> • . <br /> Properties and qualities <br /> Slope 1 to 12 percent . . <br /> Depth to restrictive feature:20 to 40 inches to lithic bedrock <br /> Drainage class:Well drained <br /> Capacity of the most limiting layer to transmit water <br /> (Ksat):Moderately low to moderately high (0.06 to 0.20 iri/hr) <br /> Depth to water table:More than 80 inches <br /> Frequency of flooding:None <br /> Frequency of ponding: None <br /> Calcium carbonate, maximum content:35 percent . <br /> Maximum salinity:Nonsaline(0.0 to 2.0 mmhoslcm) <br /> Available water capacity:Low(about 5.3 inches) <br /> Interpretive groups <br /> Land capability(nonirrigated):6c <br /> • <br /> Ecological site:Loamy Foothills(R034XY284C0) <br /> Typical profile <br /> • 0 to 7 inches:Loam <br /> 7 to 14 inches:Clay loam <br /> • <br /> i4 to 24 inches:Clay loam <br /> 24 to 36 inches:Sandy loam <br /> 36 to 40 inches:Unweathered bedrock <br /> III Minor Components . <br /> Rock outcrop <br /> Percent of map unit: 10 percent - <br /> Ustochreptic calciorthids • <br /> Percent of map unit:5 percent <br /> 87—Rock outcrop <br /> Map Unit Setting <br /> Elevation:4,700 to 10,000 feet <br /> Mean annual precipitation:10 to 22 inches <br /> Mean annual air temperature:40 to 49 degrees F <br /> Frost-free period:65 to 140 days <br /> • <br /> Map Unit Composition • <br /> Rock outcrop:90 percent <br /> Minor components: 10 percent . <br /> • <br /> Description of Rock Outcrop <br /> Setting <br /> Landform:Canyons, mesas <br /> Down-slope shape:Linear <br /> Across-slope shape:Linear <br /> Parent material:Residuum weathered from sandstone <br /> Properties and qualities <br /> II Slope:40 to 120 percent <br /> iiilNatural Resources Web Soil Survey 5/4/2011 <br /> Conservation Service National Cooperative Soil Survey Page 7 of 9 <br />