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Custom Soil Resource Report <br /> 65—Torrifluvents, nearly level <br /> Map Unit Setting <br /> National map unit symbol: jnz3 <br /> Elevation: 5,000 to 7,000 feet <br /> Mean annual precipitation: 12 to 15 inches <br /> Mean annual air temperature: 46 to 48 degrees F <br /> Frost-free period: 90 to 120 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Torrifluvents and similar soils: 85 percent <br /> Minor components: 15 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Torrifluvents <br /> Setting <br /> Landform: Flood plains, rivers, distributaries <br /> Down-slope shape: Convex, linear <br /> Across-slope shape: Convex, linear <br /> Parent material: Alluvium <br /> Typical profile <br /> H1 -0 to 36 inches: loam <br /> H2-36 to 60 inches: sand <br /> Properties and qualities <br /> Slope: 0 to 6 percent <br /> Depth to restrictive feature: More than 80 inches <br /> Natural drainage class: Moderately well drained <br /> Runoff class: Low <br /> Capacity of the most limiting layer to transmit water(Ksat): Moderately high to high <br /> (0.60 to 2.00 in/hr) <br /> Depth to water table: About 12 to 36 inches <br /> Frequency of flooding: Occasional <br /> Frequency of ponding. None <br /> Calcium carbonate, maximum in profile: 5 percent <br /> Gypsum, maximum in profile: 1 percent <br /> Salinity, maximum in profile: Very slightly saline to moderately saline (2.0 to 8.0 <br /> mmhos/cm) <br /> Sodium adsorption ratio, maximum in profile: 2.0 <br /> Available water storage in profile: Moderate (about 7.6 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): None specified <br /> Land capability classification (nonirrigated): 7w <br /> Hydrologic Soil Group: C <br /> 18 <br />