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Aquic haplustolls <br />Percent of map unit:1 percent <br />Landform:Swales <br />Hydric soil rating: Yes <br />3—Aquolls and Aquents, gravelly substratum <br />Map Unit Setting <br />National map unit symbol: 3627 <br />Elevation: 4,000 to 7,200 feet <br />Mean annual precipitation: 12 to 18 inches <br />Mean annual air temperature: 45 to 55 degrees F <br />Frost-free period: 80 to 155 days <br />Farmland classification: Prime farmland if drained and either protected from flooding <br />or not frequently flooded during the growing season <br />Map Unit Composition <br />Aquolls and similar soils:55 percent <br />Aquents, gravelly substratum, and similar soils:30 percent <br />Minor components:15 percent <br />Estimates are based on observations, descriptions, and transects of the mapunit. <br />Description of Aquolls <br />Setting <br />Landform:Swales, flood plains, streams <br />Down-slope shape:Linear <br />Across-slope shape:Linear <br />Parent material:Recent alluvium <br />Typical profile <br />H1 - 0 to 48 inches: loam <br />H2 - 48 to 60 inches: gravelly sand <br />Properties and qualities <br />Slope:0 to 3 percent <br />Depth to restrictive feature:More than 80 inches <br />Drainage class:Poorly drained <br />Runoff class: Low <br />Capacity of the most limiting layer to transmit water (Ksat):Moderately high to high <br />(0.20 to 2.00 in/hr) <br />Depth to water table:About 6 to 48 inches <br />Frequency of flooding:Frequent <br />Frequency of ponding:None <br />Maximum salinity:Nonsaline to slightly saline (0.0 to 4.0 mmhos/cm) <br />Available water supply, 0 to 60 inches: Moderate (about 8.0 inches) <br />Interpretive groups <br />Land capability classification (irrigated): None specified <br />Land capability classification (nonirrigated): 6w <br />Custom Soil Resource Report <br />14