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220 -Taterheap -Papaspila complex <br />Hazard of water erosion: low to high <br />Shrink-swell potential: low <br />• Mass movement potential: low <br />COMPOSITION <br />Taterheap soil and similar soils: 50 percent <br />Papaspila soil and similar soils: 35 percent <br />Contrasting inclusions: 15 percent <br />CONTRASTING INCLUSIONS <br />Taterheap soil and similar soils: 50 percent <br />Papaspila soil and similar soils: 35 percent <br />Contrasting inclusions: 15 percent <br />MAJOR USES <br />Timber production, wildlife, recreation, and livestock grazing <br />MAJOR MANAGEMENT FACTORS <br />• Recreation <br />Taterheao and Paoasoila <br />Soil-related factors: steep slopes in some areas, high soil erosion hazard in the steeper areas, <br />(Taterheap -moderately slow permeability), (Papaspila -subsurface rock fragments) <br />Management considerations: <br />Foundations, concrete structures, and paved areas should be designed to offset the limited ability <br />of the soil to support a load. <br />Excavation on the Papaspila soil is hampered by rock fragments in the soil profile. <br />Revegetate disturbed areas at construction sites as soon as possible to reduce the hazard of soil <br />erosion. <br />Grazable Woodland <br />Taterheao and Paoasoila <br />Soil-related factors: steep slopes in some areas, high soil erosion hazard in the steeper areas <br />Dominant vegetation in the potential plant community: quaking aspen with an understory of <br />bearded wheatgrass, slender wheatgrass, elk sedge, and nodding bromegrass <br />Annual production of air-dry understory vegetation: 2,000 to 3,000 pounds per acre <br />• Mean site index for POTR: 79 <br />Sails Description Report -West Elk Mine <br />December 1994 WESTEC 31 <br />