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226 -Herm -Fughes - Kolob Family complex <br />Kolob Family <br />Soil-related factors: steep slopes in some areas, clayey surface soil textures, high soil erosion in • <br />the steeper areas, moderate mass movement potential in the steeper areas <br />Dominant vegetation in the potential plant community: Gambel oak, Utah serviceberry, elk sedge, <br />slender wheatgrass <br />Annual production of air-dry vegetation: 1,700 to 3,200 pounds per acre <br />Management considerations: <br />The hazard of soil erosion on this unit requires careful grazing management. <br />Areas of steep slopes limit access by livestock and results in overgrazing of the less sloping areas. <br />Grazing when the soil is wet results in compaction of the surface layer, poor filth, and excessive <br />runoff. <br />Areas where brush is managed by prescribed burning, chemical, or mechanical methods may be <br />subject to a greater hazard of soil erosion. <br />INTERPRETIVE GROUPS <br />Land capability classification: Vlle <br />Herm • <br />Range site: Mountain Clay Loam <br />Plant Association: Quercus aambelii/Svmohoricaroos oreoohilus -Artemisia tridentata <br />Fughes <br />Range site: Deep Clay Loam <br />Plant Association: Quercus aambelii/Svmohoricaroos oreoohilus -Artemisia ri en at <br />Kolob Family <br />Range site: Brushy Loam <br />Plant Association: uer u mbelii Svmohoricaroos oreoohilus <br />n <br />U <br />Soils Description Report -West Elk Mine <br />December 1994 WESTEC 44 <br />