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<br /> BASE FLOOD <br /> FLOODING SOURCE FLOODWAY WATER-SURFACE ELEVATION <br /> I WITHOUT I WITH I <br /> CROSS SECTION DISTANCE' WIDTH SECTION AREA MEAN VELOCITY REGULATORY FLOODWAY FLOODWAY INCREASE <br /> (FEET) (SQUARE FEET) (FEET PER <br /> SECONDl (FEET NGVD) <br /> THESE DATA WERE REVISED BY <br /> LOMR DATED APRIL 25. 2001 , <br />Lefthand Creek ~ <br /> A 11200 316 584 8.9 4973,9 4973,9 4973,9 0.0 <br /> B 11,431 256 1,186 4.8 4,975,1 4,975.1 4,975.5 0.4 <br /> C 11,751 195 1,173 4.4 4,975.6 4,975.6 4,975.9 0.3 <br /> D 12,427 154 662 7,1 4,977.5 4,977.5 4,977.6 0.1 <br /> E 13,191 308 1,642 2.0 4,979.6 4,979.6 4,979.7 0.1 <br /> F 15293 73 382 13.6 4987.3 4987.3 4987.3 0.0 <br /> REVISED DATA <br />IFeer Above Confluence Wich St. Vrain Creek <br />T FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA <br />A <br />B <br />L BOULDER COUNTY, CO <br />E LEFTHAND CREEK <br /> AND INCORPORATED AREAS <br />5 <br /> REVISED TO <br /> REfLECT LOMR <br /> <br />DATED DEe 1 6 20nL\ <br />