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Custom Soil Resource Report <br />Mean annual precipitation: 25 to 45 inches <br />Mean annual air temperature: 34 to 38 degrees F <br />Frost -free period: 50 to 70 days <br />Map Unit Composition <br />Frisco and similar soils: 60 percent <br />Horsethief and similar soils: 25 percent <br />Description of Frisco <br />Setting <br />Landform: Mountain slopes <br />Landform position (three - dimensional): Mountainflank <br />Down -slope shape: Convex <br />Across -slope shape: Convex <br />Parent material: Outwash, colluvium, and slope alluvium derived from granitic, <br />volcanic, and sedimentary rocks <br />Properties and qualities <br />Slope: 30 to 70 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 />Maximum salinity: Nonsaline (0.0 to 2.0 mmhos /cm) <br />Available water capacity: Moderate (about 6.2 inches) <br />Interpretive groups <br />Land capability (nonirrigated): 7e <br />Other vegetative classification: Subalpine fir - Engelmann spruce /myrtle <br />whortleberry (ABLA- PIENNAMY2) (CO320) <br />Typical profile <br />D to 2 inches: Slightly decomposed plant material <br />2 to 5 inches: Loam <br />5 to 11 inches: Loam <br />11 to 19 inches: Cobbly loam <br />19 to 48 inches: Extremely stony sandy clay loam <br />48 to 62 inches: Extremely stony loam <br />Description of Horsethief <br />Setting <br />Landform: Mountain slopes <br />Landform position (three - dimensional): Mountainflank <br />Down -slope shape: Linear <br />Across -slope shape: Linear <br />Parent material: Colluvium and slope alluvium derived from sandstone, volcanic and <br />igneous rocks <br />Properties and qualities <br />Slope: 30 to 75 percent <br />Surface area covered with cobbles, stones or boulders: 2.0 percent <br />Depth to restrictive feature: More than 80 inches <br />15 <br />