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221 Taterheap - Papasila complex <br />221 -Taterheap - Papaspile complex, 40 to 65 percent slopes <br />• SETTING <br />Landforms: side slopes of mesas, mountains, and benches <br />Elevation: 7,800 to 10,200 feet <br />Mean annual air temperature: 34 to 42 degrees F <br />Mean annual precipitation: 24 to 32 inches <br />Frost-free period: 55 to 75 days <br />CHARACTERISTICS OF THE TATERHEAP SOIL <br />Parent Material: residuum and colluvium from andesite, rhyolite, and breccia <br />Dominant native plants: aspen, nodding bromegrass, blue wildrye, Columbia needlegrass <br />Typical Profile: <br />0 to 6 inches -very dark gray loam <br />6 to 14 inches -dark gray loam <br />14 to 42 inches -gray loam <br />42 to 60 inches -light yellowish brown very cobbly clay loam <br />Depth class: very deep <br />Drainage class: well drained <br />• Permeability: moderately slow <br />Available water capacity: high <br />Potential rooting depth: 60 or more inches <br />Surface runoff: very rapid <br />Surface runoff: very rapid <br />Hazard of water erosion: high <br />Shrink-swell potential: low <br />Mass movement potential: low to moderate <br />CHARACTEAISTICS OF THE PAPASPILA SOIL <br />Parent material: residuum and colluvium from andesite, rhyolite, and breccia <br />Dominant native plants: aspen, blue wildrye, bearded wheatgrass, nodding bromegrass <br />Typical Profile: <br />2 inches to 0 -mat of intermediately decomposed grasses, twigs, and leaves <br />0 to 8 inches -very dark grayish brown loam <br />8 to 17, inches -dark grayish brown very gravelly loam <br />17 to 33 inches -grayish brown extremely cobbly loam <br />33 to GO inches -pale brown extremely cobbly loam <br />Depth class: very deep <br />Drainage class: well drained <br />. Permeability: moderate <br />Available water capacity: moderate <br />Patentiaal rooting depth: 60 or more inches <br />Soils Description Report - Wast Elk Mine <br />December 1994 WESTEC 33 <br />