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• <br />• <br />• <br />Interpretive groups <br />Other vegetative classification: Subalpine fir - Engelmann spruce/moss (ABLA- <br />PIEN/MOSS) (CO311), Subalpine fir - Engelmann spruce/myrtle whortlebeny <br />(ABLA- PIEN/VAMY2) (CO320), Subalpine fir - Engelmann spruce /grouse <br />whortleberry (ABLA - PIENNASC) (CO321) <br />Typical profile <br />8 to 2 inches: Cobbly silt loam <br />2 to 9 inches: Very cobbly silt loam <br />9 to 28 inches: Very cobbly sandy loam <br />28 to 45 inches: Extremely stony loamy sand <br />4,5 to 60 inches: Extremely stony loamy sand <br />7755B—Leighcan-Catamount families, moist complex, 5 to 40 percent <br />slopes <br />Map Unit Setting <br />Elevation: 8,000 to 11,000 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, moist, and similar soils: 45 percent <br />Catamount family, moist, and similar soils: 40 percent <br />Description of Leighcan Family, Moist <br />Setting <br />Landform: Mountain slopes <br />Parent material: Residuum and/or slope alluvium derived from igneous and <br />metamorphic 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 inlhr) <br />Depth to water table: More than 80 inches <br />Frequency of flooding: None <br />Frequency of panding: None <br />Available water capacity: Very low (about 2.7 inches) <br />Interpretive groups <br />Other vegetative dassificafon: Subalpine fir - Engelmann spruce/grouse <br />whortleberry (ABLA- PIEN/VASC) (CO321), Subalpine fir - Engelmann spruce/ <br />myrtle whortleberry (ABLA- PIENIVAMY2) (CO320) <br />Page 18 <br />