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• <br /> Table 1-2 <br /> S Map Unit Description—San Miguel Area,Colorado,Parts of Dolores,Montrose, <br /> and San Miguel Counties <br /> • ' . <br /> Frequency of flooding:None <br /> Frequency of ponding:None <br /> Calcium carbonate, maximum content: 15 percent <br /> Maximum salinity:Nonsaline(0.0 to 2.0 mmhos/cm) <br /> Available water capacity:Low(about 3.7 inches) <br /> Interpretive groups <br /> • Land capability(nonirrigated):7e <br /> Typical profile <br /> 0 to 4 inches:Very bouldery clay loam <br /> 4 to 31 inches:Cobbly clay loam <br /> 31 to 35 inches:Unweathered bedrock <br /> Minor Components <br /> Rock outcrop <br /> Percent of map unit:10 percent <br /> Pinon <br /> Percent of map unit:3 percent <br /> Bowdish <br /> Percent of map unit:2 percent <br /> ill 60—Monogram loam, 1 to 8 percent slopes <br /> Map Unit Setting <br /> Elevation:6,800 to 7,300 feet <br /> Mean annual precipitation: 13 to 15 inches <br /> Mean annual air temperature:45 to 47 degrees F <br /> Frost-free period:90 to 120 days <br /> Map Unit Composition <br /> Monogram and similar soils:85 percent <br /> Minor components: 15 percent <br /> Description of Monogram <br /> Setting <br /> Landform:Mesas,structural benches . <br /> Down-slope shape:Linear <br /> Across-slope shape:Linear <br /> Parent material:Eolian deposits <br /> Properties and qualities <br /> Slope: 1 to 8 percent <br /> Depth to restrictive feature:More than 80 inches <br /> Drainage class:Well drained <br /> Capacity of the most limiting layer to transmit water <br /> (Ksat):Moderately high(0.20 to 0.60 in/hr) <br /> Depth to water table:More than 80 inches <br /> Frequency of flooding:None <br /> Frequency of ponding. None <br /> illCalcium carbonate, maximum content:70 percent <br /> USDA Natural Resources Web Soil Survey 5/4/2011 <br /> i1 Conservation Service National Cooperative Soil Survey Page 4 of 9 <br />