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45—Manzanst silty clay loam, cool, 0 to 3 percent slopes <br /> Map Unit Setting <br /> Elevation: 5,500 to 6,500 feet <br /> Mean annual precipitation: 14 to 16 inches <br /> Mean annual air temperature:48 to 52 degrees F <br /> Frost-free period: 120 to 140 days <br /> Map Unit Composition <br /> Manzanst, cool, and similar soils: 90 percent <br /> Minor components: 10 percent <br /> Description of Manzanst, Cool <br /> Setting <br /> Landform: Interfluves, terraces, fan remnants, drainageways <br /> Landform position (two-dimensional): Summit, footslope <br /> Landform position (three-dimensional): Side slope, tread <br /> Down-slope shape: Linear <br /> Across-slope shape: Linear <br /> Parent material:Alluvium derived from shale <br /> Properties and qualities <br /> Slope: 0 to 3 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Drainage class:Well drained <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 content: 14 percent <br /> Gypsum, maximum content: 3 percent <br /> Maximum salinity: Nonsaline to very slightly saline (0.5 to 3.0 mmhos/cm) <br /> Sodium adsorption ratio, maximum: 5.0 <br /> Available water capacity: High (about 9.2 inches) <br /> Interpretive groups <br /> Farmland classification: Prime farmland if irrigated <br /> Land capability classification (irrigated): 3e <br /> Land capability(nonirrigated):4c <br /> Hydrologic Soil Group: C <br /> Ecological site: Clayey Plains (R069XY042C0) <br /> Other vegetative classification: Loamy Plains#6 (069XY006C0_2), Unnamed <br /> (G069XW001 CO) <br /> Typical profile <br /> 0 to 5 inches: Silty clay loam <br /> 5 to 9 inches: Silty clay <br /> 9 to 17 inches: Silty clay <br />