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•7 <br /> POTENT AL SOIL LOSS <br /> MA T. ARRAS <br /> AREA R K LS C P A TONS/ (Ft)' <br /> YEAR <br /> SW end 13 sine pad 40 .37 2.07 1 1 30.6 3.67 104.86 <br /> Outslope rock tunnel pad 40 .33 3.0 .24* 1 9.5 7.13 203.71 <br /> Outslope rock tunnel pad 40 . 33 3.0 .042** 1 1.66 1.25 35.71 <br /> 016 pond topsoil pile 40 .31 2.8 .043 1 1.49 .16 4.57 <br /> Bathhouse berm 40 .37 2.6 .028 1 1.08 .13 3.71 <br /> Substation- No. 1 Mine 40 .37 .19 1 1 1.27 .05 1.43 <br /> South Portal No. 1 Nine Material is rock, not soil. LISLE not <br /> applicable. <br /> * C factor for 314 ton of mulch per acre adequately crimped. <br /> ** C factor for 60$ cover type G mostly grass. <br /> A = RKLSCP <br /> A = SOIL LOSS (TONS/ACRE/YEAR) <br /> R = RAINFALL AND RUNOFF FACTOR <br /> R = SOIL ERODABILITY FACTOR <br /> LS = SLOPE LENGTH AND STEEPNESS FACTOR <br /> C = COVER .AND MANAGEMENT FACTOR <br /> P = EROSION CONTROL PRACTICE FACTOR <br /> Attachment A Technical Revision 20 <br /> 52 <br />