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X130 ~- Cryochrepts - Cryoborolls - Rubble land complex, 15 to 90 <br />• percent slopes <br />Setting <br />Landforms: mountain, canyon, and mesa side slopes <br />Elevation: 8,200 to 11,000 feet <br />Mean annual air temperature: 32 to 42 degrees F <br />Mean annual precipitation: 24 to 34 inches <br />frost-free period: 50 to 75 days <br />Characteristics of the Cryochrepts Soil <br />Parent material: residuum and colluvium from andesite,rhyolite, <br />breccia, tuff, and basalt <br />Dominant native plants: Engelmann spruce, subalpine fir, common <br />juniper, and kinnikinnick <br />Typical Profile <br />4 inches to 0 - <br />0 to 4 inches - <br />4 to 18 inches <br />18 to 24 inches <br />24 inches - unw <br />mat of needles, twigs, and leaves <br />pinkish gray extremely stony loam <br />- brown extremely stony loam <br />- pinkish gray extremely stony loam <br />eathered bedrock <br />Depth class: shallow to deep <br />• Drainage class: well drained <br />Permeability: moderately rapid <br />Available water capacity: very low to moderate <br />Potential rooting depth: 10 to 60 inches <br />Surface runoff: very rapid <br />Xazard of water erosion: low to high <br />Shrink-swell potential: low <br />Mass movement potential: low to moderate <br />Characteristics of the Cryoborolls Soil <br />Parent material: residuum and colluvium from mixed sources <br />Dominant native plants: trees, shrubs, and grasses <br />Typical Profile <br />0 to 6 inches - grayish brown very <br />6 to 11 inches - brown very stony <br />11 to 40 inches - very pale brown <br />Depth class: shallow to very deep <br />Drainage class: well drained <br />Permeability: moderately slow <br />Availab/e water capacity: low <br />Potential rooting depth: 10 to 60 <br />Surface runoff: very rapid <br />• Hazard of water erosion: high <br />Shrink-swell potential: low <br />Mass movement potential: moderate <br />stony sandy loam <br />sandy loam <br />very stony loam <br />or more inches <br />