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Map Unit Description:Willowman-Leyden cobbly foams,9 to 30 percent slopes--Golden Area, Golden Mine <br /> Colorado,Parts of Denver, Douglas,Jefferson,and Park Counties <br /> Maximum salinity: Nonsaline to very slightly saline(0.0 to 2.0 <br /> mmhos/cm) <br /> Available water capacity: Moderate (about 8.8 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): None specified <br /> Land capability classification (nonirrigated): 6e <br /> Hydrologic Soil Group: B <br /> Ecological site: R048AY346CO-Cobbly Foothills <br /> Hydric soil rating: No <br /> Description of Leyden <br /> Setting <br /> Landform: Ridges, hillslopes <br /> Landform position (two-dimensional): Summit, shoulder, backslope <br /> Landform position (three-dimensional): Crest, side slope <br /> Down-slope shape: Convex, linear <br /> Across-slope shape:Convex, linear <br /> Parent material: Calcareous, gravelly, cobbly, stony, and clayey <br /> slope alluvium over residuum weathered from mudstone <br /> Typical profile <br /> H1 -0 to 3 inches: cobbly loam <br /> H2-3 to 35 inches: gravelly clay loam, gravelly clay <br /> H2-3 to 35 inches: weathered bedrock <br /> H3-35 to 39 inches: <br /> Properties and qualities <br /> Slope: 9 to 30 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Drainage class:Well drained <br /> Runoff class: Very high <br /> Capacity of the most limiting layer to transmit water <br /> (Ksat): Moderately low to moderately high (0.06 to 0.20 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: Moderate (about 8.7 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): None specified <br /> Land capability classification (nonirrigated): 6e <br /> Hydrologic Soil Group: D <br /> Ecological site: R048AY346CO- Cobbly Foothills <br /> Hydric soil rating: No <br /> Minor Components <br /> Primen <br /> Percent of map unit: 3 percent <br /> Landform: Ridges <br /> Landform position (two-dimensional):Shoulder <br /> Landform position (three-dimensional): Crest <br /> t!SDA Natural Resources Web Soil Survey 2/17/2021 <br /> �� Conservation Service National Cooperative Soil Survey Page 2 of 3 <br />