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I• <br />cable 17-23 <br />Average Watershed 51 open Average Watershed Slope Length and <br />Time of Concentreti on in the 007 Pond Watershed }or both <br />Pro- and Poshni ning Topographies <br />D Yqi nTge Basin Parameter <br />Aroa Average Naterahetl Average Watershed lima of <br />(aeraa) Slope (percent) Slope Length (ft) Coneen tration (hrs) <br />Premi ni ng <br />Topography 289 8.20 251 .73t <br />Postmining <br />Topography 308 6.70 376 .965 <br />• <br />• <br /> <br />17 -75 <br />REVISED MARCH 2006 <br />Attachment 2.05.6(3)-2-86 <br />Revised 04/17/88 <br />