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Table 3. USLE Variables and Definitions <br /> Variable Definition <br /> R Climatic erosivity factor due to precipitation <br /> K Soil erodibility under a standard condition <br /> LS Slope length and steepness factor <br /> C Cover management/land use <br /> P Support practices factor <br /> Table 4. USLE Variables and Basis for Selection <br /> Pre-mining <br /> Variable Trapper's Trapper's Source Division's Comment <br /> Selection <br /> R 30 SCS Map: R factors for Colorado Reasonable, as per Trapper's <br /> location on R factor map. <br /> Trapper Permit C 198 10 10 Appendix Q Reasonable, as per soil types of <br /> K 0.25 Section XIII, Table E3 bond release blocks delineated <br /> on map M29. <br /> LS 8.11 SCS LS Table, 719 ft, 16.7% Slope Reasonable based on the 16.7% <br /> slope and 719 ft. slope length. <br /> Reasonable as per pre-mining <br /> C 0.05 SCS C factor table for specified conditions rangeland conditions and <br /> applicable C value table 4.4-2. <br /> Reasonable as per erosion <br /> P 1.0 SCS P factor table for specified conditions control practice factor, <br /> consistent with premining <br /> practice on bond release blocks. <br /> Permit Number C1981010 <br /> SL24 Page 12 of 16 <br />