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Map Unit Description <br />Otero County, Colorado <br />HsB Harvey-Stoneham loams, 0 to 3 percent slopes <br />Elevation: 4000 to 6500 feet <br />Mean annual precipitation: 12 to 14 inches <br />Mean annual air temperature: 48 to 54 degrees F <br />Frost-free period: 130 to 170 days <br />Harvey and similar soils: 60 percent <br />Stoneham and similar soils: 20 percent <br />Description of Harvey <br />Setting <br />Landform: Plains <br />Down-slope shape: Linear <br />Across-slope shape: Linear <br />Parent material: Calcareous loamy alluvium <br />Properties and Qualities <br />Slope: 0 to 3 percent <br />Drainage class: Well drained <br />Capacity of the most limiting layer to transmit water (Ksat): <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Calcium carbonate maximum: 30 percent <br />Gypsum maximum: 0 percent <br />Sodium adsorption ratio maximum: 5.0 <br />Available water capacity: Moderate (about 7.3 inches) <br />Setting <br />Composition <br />Moderately high or high (0.57 to 2.00 in/hr) <br />Interpretive Groups <br />Land capability (non irrigated): 6c <br />Ecological site: Loamy Plains (R069XY006CO) <br />Other vegetative classification: LOAMY PLAINS (069XY006C0 1) <br />Typical Profile <br />0 to 8 inches: loam <br />8 to 30 inches: loam <br />30 to 40 inches: sandy loam <br />40 to 50 inches: loamy sand <br />50 to 60 inches: sandy loam <br />Description of Stoneham <br />Setting <br />Parent material: Calcareous loamy alluvium <br />Properties and Qualities <br />Slope: 0 to 3 percent <br />Drainage class: Well drained <br />Capacity of the most limiting layer to transmit water (Ksat): <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Calcium carbonate maximum: 15 percent <br />Gypsum maximum: 0 percent <br />Available water capacity: High (about 9.6 inches) <br />Moderately high or high (0.60 to 2.00 in/hr) <br />Interpretive Groups <br />Land capability (non irrigated): 6e <br />Ecological site: Loamy Plains (R069XY006CO) <br />Other vegetative classification: LOAMY PLAINS (069XY006C0_1) <br />Typical Profile <br />0 to 5 inches: loam <br />5 to 16 inches: sandy clay loam <br />16 to 60 inches: loam <br />USDA Natural Resources <br />Tabular Data Version: 6 <br />Conservation Service Tabular Data Version Date: 01/11/2008 <br />Page 3 of 5