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<br />......................................................~ <br /> <br /> Drainage Regression Eq.l Stream Gage Analysis2 <br />Flooding Source Location Area tOO-Year tOO-Year <br /> (sq mil Discharge Discharge <br /> (cfs) (cfs) <br />N. Fork Fryinpan R. @ USGS Gaging Station No. 09078500 42.0 1,190 1,100 <br />E. Fork Homestake Cr. @ Pitkin/Garfield Countv Line 6.04 292 <br />Ivanhoe Creek @ USGS Gaging Station No. 09077600 9.12 394 258 <br />Deeds Creek @ South Fork Road 5.73 281 <br />Foster Gulch @ Confl. wi Deeds Creek 4.15 223 <br /> <br />Notes: <br />1. Regional regression equations presented in Guidelines For Determining lOa-Year Flood Flows For Approximate Floodplains in Colorado, Version 4.0, <br />Colorado Water Conservation Board, January 1999. <br />2. Frequency analysis based on procedures presented in Guidelinesfor Determining Flood Flow Frequency, Water Resources Council, Bulletin 17B, 1981 as <br />implemented in the computer program HEC-FFA, U.S. Army Corps of Engineers, May 1992. <br /> <br />II <br />