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Hydric soil rating: No <br />84—Penrose-Midway-Rock outcrop complex, 10 to 45 percent slopes <br />Map Unit Setting <br />National map unit symbol: 2pd2n <br />Elevation: 3,700 to 6,400 feet <br />Mean annual precipitation: 10 to 14 inches <br />Mean annual air temperature: 48 to 54 degrees F <br />Frost-free period: 130 to 170 days <br />Farmland classification: Not prime farmland <br />Map Unit Composition <br />Penrose and similar soils: 40 percent <br />Midway and similar soils: 35 percent <br />Rock outcrop: 15 percent <br />Minor components: 10 percent <br />Estimates are based on observations, descriptions, and transects of the mapunit. <br />Description of Penrose <br />Setting <br />Landform: Mesas, cuestas <br />Landform position (two-dimensional): Summit, backslope, shoulder <br />Landform position (three-dimensional): Crest <br />Down-slope shape: Convex <br />Across-slope shape: Linear <br />Parent material: Slope alluvium over residuum weathered from limestone <br />Typical profile <br />A - 0 to 5 inches: loam <br />AC - 5 to 9 inches: loam <br />C - 9 to 15 inches: channery loam <br />R - 15 to 79 inches: bedrock <br />Properties and qualities <br />Slope: 10 to 45 percent <br />Depth to restrictive feature: 14 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): Very low to moderately <br />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 in profile: 75 percent <br />Salinity, maximum in profile: Very slightly saline (2.0 to 3.9 mmhos/cm) <br />Available water storage in profile: Very low (about 2.5 inches) <br />Custom Soil Resource Report <br />21