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Design Point <br />Existing Conditions <br />Mining Conditions <br />Reclaimed Conditions <br />Q (cfs) <br />Q 400 (cfs) <br />Q a00 (cfs) <br />1 <br />65.79 <br />45.70 <br />49.40 <br />2 <br />21.50 <br />9.13 <br />21.49 <br />Total <br />87.29 <br />54.83 <br />70.89 <br />Table 9.1 —Storm Drainage Comparison <br />A copy of the Historic Drainage Plan, Mining Drainage Plan, and Reclamation Drainage <br />Plan, and the drainage calculations follows for your review. <br />- 6 - <br />Final Drainage Report Iverson Mine <br />P:\23511\ 133 - 23511- 10002\Deliverables\Drainage Report \ Dra inage Report.doc <br />February 2011 <br />