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• Plata, Montezuma, San Juan, and San Miguel Counties <br />• <br />• <br />Custom Soil Resource Report <br />Animas - Dolores Area, Colorado, Parts of Archuleta, Dolores, Hinsdale, La <br />54— Quazar very cobbly loam, 5 to 25 percent slopes <br />Map Unit Setting <br />Elevation: 9,000 to 10,700 feet <br />Mean annual precipitation: 26 to 40 inches <br />Mean annual air temperature: 32 to 38 degrees F <br />Frost -free period: 40 to 65 days <br />Map Unit Composition <br />Quazar and similar soils: 90 percent <br />Description of Quazar <br />Setting <br />Landform: Alluvial fans <br />Landform position (three- dimensional): Mountainbase <br />Down -slope shape: Concave <br />Across -slope shape: Linear <br />Parent material: Alluvium derived from volcanic rock <br />Properties and qualities <br />Slope: 5 to 25 percent <br />Surface area covered with cobbles, stones or boulders: 5.0 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 high to high <br />(0.60 to 2.00 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: Low (about 3.3 inches) <br />Interpretive groups <br />Land capability (nonirrigated): 7s <br />Ecological site: Subalpine Loam (R048AY250C0) <br />Other vegetative classification: Thurber's fescue /American vetch -aspen peavine <br />(FETHNIAM -LALE) (G2202) <br />Typical profile <br />0 to 3 inches: Very cobbly loam <br />3 to 12 inches: Very cobbly loam <br />12 to 26 inches: Extremely gravelly clay loam <br />26 to 60 inches: Extremely gravelly clay loam <br />154 — Frisco - Horsethief complex, 30 to 75 percent slopes <br />Map Unit Setting <br />Elevation: 8,400 to 11,500 feet <br />14 <br />