Laserfiche WebLink
Custom Soil Resource Report <br /> Ouray Area, Colorado, Parts of Gunnison, Hinsdale, Ouray, San Juan, and <br /> San Miguel Counties <br /> 104—Borolls-Rock outcrop complex, 40 to 90 percent slopes <br /> Map Unit Setting <br /> Elevation: 8,800 to 11,200 feet <br /> Mean annual precipitation:25 to 34 inches <br /> Mean annual air temperature: 32 to 41 degrees F <br /> Frost-free period:45 to 70 days <br /> Map Unit Composition <br /> Borolls and similar soils:60 percent <br /> Rock outcrop: 20 percent <br /> Description of Borolls <br /> Setting <br /> Landform: Mountain slopes <br /> Landform position (two-dimensional): Backslope <br /> Landform position (three-dimensional): Mountainflank <br /> Down-slope shape: Convex <br /> Across-slope shape: Linear <br /> Parent material: Colluvium derived from mixed and/or slope alluvium derived from <br /> mixed <br /> Properties and qualities <br /> Slope:40 to 90 percent <br /> Depth to restrictive feature: 10 to 91 inches to paralithic bedrock <br /> Drainage class:Well drained <br /> Capacity of the most limiting layer to transmit water(Ksat):Very low to moderately <br /> low (0.00 to 0.06 in/hr) <br /> Depth to water table: More than 80 inches <br /> Frequency of flooding: None <br /> Frequency of ponding: None <br /> Available water capacity:Very low (about 1.4 inches) <br /> Interpretive groups <br /> Land capability(nonirrigated): 8e <br /> Typical profile <br /> 0 to 8 inches:Very gravelly sandy loam <br /> 8 to 19 inches: Very gravelly loam <br /> 19 to 23 inches:Weathered bedrock <br /> Description of Rock Outcrop <br /> Setting <br /> Landform: Mountain slopes <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Properties and qualities <br /> Slope:40 to 90 percent <br /> Depth to restrictive feature: 0 inches to lithic bedrock <br /> 12 <br />