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• <br />Properties and qualities <br />Slope: 0 to 15 percent <br />Depth to restrictive feature: More than 80 inches <br />Drainage class: Poorly drained <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: More than 80 inches <br />Frequency of flooding: Occasional <br />Frequency of ponding: None <br />Maximum salinity: Nonsaline (09 to 2.0 mmhos/cm) <br />Available water capacity: High (about 11.1 inches) <br />Interpretive groups <br />Other vegetative classification: Booth's willow wifowheedgrass (SABO2- SALIXI <br />CALAM) (S1498), Geyer's willow- willowfreedgrass (SAGE2- SALIX/CALAM) <br />(S1495), Geyer's willow- willow/Northwest Territory sedge (SAGE2- SALIX/ <br />CAUT) (S1413) <br />Typical profile <br />0 to 4 inches: Moderately decomposed plant material <br />4 to 16 inches: Silt loam <br />16 to 24 inches: Silt loam <br />24 to 30 inches: Silt loam <br />30 to 40 inches: Sandy loam <br />40 to 64 inches: Silt loam <br />7700B—Leighcan family, 5 to 40 percent slopes <br />Map Unit Setting <br />Elevation: 9,000 to 11,200 feet <br />Mean annual precipitation: 20 to 40 inches <br />Mean annual air temperature: 36 to 39 degrees F <br />Frost -free period: 30 to 50 days <br />Map Unit Composition <br />Leighcan family and similar soils: 85 percent <br />Description of Leighcan Family <br />Setting <br />Landform: Mountain slopes <br />Parent material: Colluviurn over residuum weathered from igneous and metamorphic <br />rock <br />Properties and qualities <br />Slope: 5 to 40 percent <br />Depth to restrictive feature: More than 80 inches <br />Drainage class: Somewhat excessively drained <br />Capacity of the most limiting layer to transmit water (Ksat): High (2.00 to 6.00 in/hr) <br />Depth to water table: More than 80 inches <br />Frequency of flooding: None <br />Frequency of ponding: None <br />Available water capacity. Very low (about 2.7 inches) <br />