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2 <br /> from the south side of tl~e active pit in [he zone prepared Eor the drag- <br /> line was also included in area E. It was assumed that no sedimenC was <br /> contributed from Che undis wrbcd zone, area F. <br /> Cross soil erosion was computed using the Universal Soil Loss Equation. <br /> The results are summarized in Table 1. <br /> A = RK(LS) (CP) <br /> A = gross soil erosion - tons per acre per year <br /> R = annual rainfall - erosibility factor <br /> K = soil erodibility factor <br /> LS = length-slope factor <br /> CP = cover-practice factor <br />TABLE 1 ESTIMATES OF GROSS SOIL EROSION <br />~• <br />~• <br />POND 1 <br />DESIGNATED A AREA 3-YEAR <br />AREA R1 K2 LS3 CP4 TON/AC/YR ACRES TOTAL-TONS <br />A 50 0.16 0.23 1.2 2.2 9.17 60.52 <br />B 50 0.08 12 0.05 2.4 32.78 236.02 <br />C --- --- --- --- --- 0 <br />D --- --- --- --- --- 0 <br />E (North) 50 0.25 40 1.0 500 8.3 12,450 <br />E (South) SO 0.25 3.6 1.3 58.5 7.6 1,335 <br />F --- --- --- --- --- 0 <br />POND 2 <br />A 50 0.16 0.23 1.2 2.2 25.98 171.47 <br />B --- --- --- --- --- --- O <br />C --- --- --- --- ---~ --- 0 <br />D --- --- --- --- --- --- 0 <br />E --- --- --- --- --- --- <br />E --- --- --- --- --- --- <br />F --- --- -- --- --- --- <br />