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KERR COAL MINE <br />CALCULATED SEDIMENTOLOGY DATA <br />PREMINING CONDITION MARR PIT <br />u <br />SOIL EROOIBILITY FACTOR: <br /> <br />Soil Type ErotliOafly <br /> Facor, K <br />Clay Loam 0.28 <br />SLOPE FACTOR: <br />Length <br /> <br />(fl) Slope <br /> <br />I%) m Slope <br />Angle <br />lee LS <br />Fanor <br />160 13.0% 0.6 74 ,7.68 <br />220 11.0% 0.6 6.3 2.fi0 <br />2D0 11.0% 0.6 6.3 246 <br />190 18.0% 0.6 1D2 4A1 <br />360 9.D% 0.5 5.1 2.24 <br />410 B.0% 45 4.6 2.t2 <br />520 9.0% 0.5 5.1 2.69 <br />670 t0.0% 0.5 5.7 3.56 <br />240 6.0% 0.5 4.6 1.62 <br />290 9.0% 0.5 8.1 2.01 <br />370 8.0% 0.5 a.6 20t <br />250 30.0% 06 16.7 9.09 <br />350 t0.0% 0.5 5.7 2.5] <br />l70 3.0% 0.3 L7 046 <br />350 3.0% 0.3 17 0.57 <br />440 t4.0% 06 8.0 5.39 <br />280 t4.0% Ofi 8.0 e.1t <br />350 11.0% D6 6.3 3A4 <br />Ave2ga LS = 3.00 <br />The lS facrq wad cekubletl Dy: <br />LS = (Pope LenpIM2. E)"m'(t0.8's(n(srope angle) • 0.03) la Slopes < 8% <br />LS=(SrooeLmgrM26)"m'(t6.e•sro/sbpe anpb)-031 Jot S/apes>P% <br />Where: <br />Slope<3% m=0.3 <br />Slope=4% m=0.4 <br />Slope>10% m=0.8 <br />COVER AND PRACTICE FACTORS <br />Cover <br />Type Cover <br /> <br />I%) Caropy <br /> <br />1% Area <br /> <br />lanes Cover <br />Fanor,C C'Area PrdctiQ <br />Fanor,P P•Aree <br />WLali Sa 6ntdn 44% 25% 92 0.08 736 t 00 92.00 <br />Sa orusAGross 56% 25% t6.3 0.05 0.62 1.00 t6.30 <br />TOTAL: 108.3 6.16 108.30 <br />W eigmeo C =Total CArea~ Total Aree = 0.075 <br />WeigMeO P = Total P'Aresr Total Airs = t 000 <br />ANNUAL BEDIMEM YIELD <br />7Te IpllOwmg spreetlsneer calculates me pnykretl sediment yield lpr Ina projM area- 7nP gross seaimaM yield <br />rs oeremuneo accommg ro Ina Revuetl Unrversel SoP loss Epuarion. <br />PARAMETER DEBCRIP710N VALUE <br />Anr1Va1 Ra~nlaa Fend 16.50 <br />Soil ErpoiOility Fanor 0.28 <br />lergtn Slope Factor 3.00 <br />Cover Fanor 0.0E <br />Franke Fanor 1.00 <br />Gross Annual SeO~rrem Yiek t 05 torwacrV• year <br /> <br />