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• TABLE 13-2 <br />SEDIMENTATION POND DESIGN -SOILS INFORMATION <br />NUCLA MINE, COLORADO <br />Soil Type <br />or Area Hydrologic <br />Soll Grouo "k" <br />Factor <br />18/F-2 D 0.14 <br />5810/28-1 B 0.17 <br />5810/7C-2 B 0.17 <br />5810E/D-2 B 0.17 <br />58101/38-2 B 0.17 <br />sal ol/7c-1 B o.17 <br />9904/D-1,2 D 0.22 <br />9904/F-2 D 0.22 <br />1 E D 0.30 <br />1 EW D 0.24 <br />20C C 0.24 <br />30C C 0.31 <br />• <br />706 B 0.34 <br />808 D 0.32 <br />810 D 0.24 <br />Reclaimed C 0.25 <br />Active Pit + Spoil Piles C 0.21 <br />Non-topsoiled Regraded Spoil C 0.23 <br />Topsoil Removed D 0.32 <br />Source: Gary Wendt, Soil Scientist, Peabody Coal Company (September 15, 1986 and March <br />7, 1988). <br />• 13-9 <br />