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Table I-2 <br /> S <br /> Map Unit Description—San Miguel Area,Colorado,Parts of Dolores,Montrose, <br /> and San Miguel Counties <br /> III <br /> Depth to water table:More than 80 inches <br /> Frequency of flooding:None <br /> • <br /> • Frequency of ponding:None <br /> Calcium carbonate, maximum content:40 percent <br /> Maximum salinity:Nonsaline(0.0 to 2.0 mmhos/cm) <br /> Available water capacity:Very low(about 2.0 inches) <br /> Interpretive groups <br /> Land capability(nonirrigated):7s <br /> Typical profile <br /> 0 to 5 inches:Loam . <br /> 5 to 16 inches:Gravelly loam <br /> 16 to 20 inches:Unweathered bedrock <br /> Description of Bowdish, Cool <br /> Setting <br /> Landform::Mesas, ridges <br /> Down-slope shape:Linear <br /> Across-slope shape:Linear <br /> Parent material:Residuum weathered from interbedded sandstone <br /> and shale <br /> Properties and qualities <br /> •qb <br /> Slope: 1 to 12 percent <br /> • Depth to restrictive feature:20 to 40 inches to lithic bedrock <br /> • <br /> Drainage class:Well drained <br /> Capacity of the most limiting layer to transmit water(Ksat):Very low <br /> to moderately high(0.00 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 /> Calcium carbonate, maximum content:40 percent . <br /> Maximum salinity:Nonsaline to very slightly saline(0.0 to 4.0 mmhos/ <br /> cm) <br /> • <br /> Sodium adsorption ratio, maximum: 10.0 <br /> Available water capacity:Low(about 3.0 inches) <br /> Interpretive groups <br /> Land capability(nonirrigated):4e <br /> • Typical profile <br /> 0 to 5 inches:Loam <br /> 5 to 12 inches:Loam <br /> 12 to 23 inches:Gravelly loam <br /> 23 to 27 inches:Weathered bedrock <br /> Description of Progresso,Cool <br /> Setting <br /> Landform:Mesas, ridges <br /> Down-slope shape:Linear <br /> Across-slope shape:Linear <br /> Parent material:Alluvium derived from sandstone <br /> IPUS Natural Resources Web Soil Survey 5/4/2011 <br /> Conservation Service National Cooperative Soil Survey Page 6 of 9 <br />