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<br />. <br /> <br />. <br /> <br />. <br /> <br />step 4 - The larger discharge of 1,408 cfs computed in <br />step 2 from the Mountain Region was selected as the lOa-year flood <br />calculated by this method. <br /> <br />For comparison, the lOa-year peak floods at <br />eighteen stations at various locations in the Roaring Fork basin <br />were also reviewed and the ratio of discharge to square mile <br />computed. The results of this study indicated a ratio of about 34 <br />cfs per square mile was representative of an area of about 85 square <br />miles in the Roaring Fork basin. This computes to a lOa-year flood <br />of <br /> <br />QIOO = (34) (85) = 2,890 (,..f7 <br /> <br />" <br />which is considerably higher than the discharges computed by other <br />methods for the Anthracite Creek site. <br /> <br />tp <br />