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Custom Soil Resource Report <br /> 59—Potts-Ildefonso complex, 25 to 45 percent slopes <br /> Map Unit Setting <br /> National map unit symbol: jnyw <br /> Elevation: 5,000 to 6,500 feet <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Potts and similar soils: 60 percent <br /> Ildefonso and similar soils: 30 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Potts <br /> Setting <br /> Landform: Alluvial fans, valley sides <br /> Down-slope shape: Linear, convex <br /> Across-slope shape: Linear, convex <br /> Parent material: Alluvium derived from basalt and/or alluvium derived from <br /> sandstone and shale <br /> Typical profile <br /> H1 -0 to 4 inches: loam <br /> H2-4 to 28 inches: clay loam <br /> H3-28 to 60 inches: loam <br /> Properties and qualities <br /> Slope: 25 to 40 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Well drained <br /> Runoff class: Very high <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately high (0.20 <br /> 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 in profile: 15 percent <br /> Salinity, maximum in profile: Nonsaline to very slightly saline(0.0 to 2.0 mmhos/cm) <br /> Available waterstorage in profile: High (about 10.3 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): None specified <br /> Land capability classification (nonirrigated): 7e <br /> Hydrologic Soil Group: C <br /> Ecological site: Rolling Loam (R048AY298CO) <br /> Description of Ildefonso <br /> Setting <br /> Landform: Valley sides, alluvial fans <br /> Down-slope shape: Convex <br /> Across-slope shape: Convex <br /> 15 <br />