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Map Unit Composition <br />Penrose and similar soils: 50 percent <br />Minnequa and similar soils: 35 percent <br />Minor components: 15 percent <br />Estimates are based on observations, descriptions, and transects of the mapunit. <br />Description of Penrose <br />Setting <br />Landform: Scarps, hogbacks, hills <br />Landform position (two-dimensional): Shoulder, backslope <br />Landform position (three-dimensional): Crest, side slope <br />Down-slope shape: Linear, convex <br />Across-slope shape: Linear, convex <br />Parent material: Slope alluvium over residuum weathered from limestone <br />Typical profile <br />A - 0 to 4 inches: channery loam <br />C - 4 to 15 inches: channery loam <br />R - 15 to 79 inches: bedrock <br />Properties and qualities <br />Slope: 1 to 15 percent <br />Depth to restrictive feature: 10 to 20 inches to lithic bedrock <br />Natural drainage class: Well drained <br />Runoff class: High <br />Capacity of the most limiting layer to transmit water (Ksat): Moderately low to <br />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 />Calcium carbonate, maximum in profile: 70 percent <br />Salinity, maximum in profile: Nonsaline (0.1 to 1.0 mmhos/cm) <br />Sodium adsorption ratio, maximum in profile: 1.0 <br />Available water storage in profile: Very low (about 1.8 inches) <br />Interpretive groups <br />Land capability classification (irrigated): 6s <br />Land capability classification (nonirrigated): 6s <br />Hydrologic Soil Group: D <br />Ecological site: Limestone Breaks LRU's A & B (R069XY058CO) <br />Other vegetative classification: Limestone Breaks #58 (069XY058CO_2) <br />Hydric soil rating: No <br />Description of Minnequa <br />Setting <br />Landform: Ridges, interfluves <br />Landform position (two-dimensional): Summit, shoulder <br />Landform position (three-dimensional): Side slope <br />Down-slope shape: Linear <br />Across-slope shape: Convex, linear <br />Parent material: Slope alluvium over residuum weathered from limestone and <br />shale <br />Custom Soil Resource Report <br />19