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<br /> BASE FLOOD <br /> FLOODING SOURCE FLOODWAY WATER-SURFACE ELEVATION <br /> I REGULATORY I WITHOUT I WITH I <br /> CROSS SECTION DISTANCE' WIDTH SECTION AREA MEAN VELOCITY FLOODWAY FLOOoWAY INCREASE <br /> (FEET) (SQUARE FEET) I (FEET PER <br /> SECOND) (FEET NGVO) <br /> Illinois Gulch <br /> A 5 81 347 1.0 9,615.4 9,615.4 9,615.9 0.5 <br /> B 100 17 36 9.2 9,618.4 9,618.4 9,618.4 0.0 <br /> C 215 43 77 4.3 9,620.2 9,620.2 9,620.2 0.0 <br /> D 697 35 52 6.3 9,641.9 9,641.9 9,641.9 0.0 <br /> E 808 31 109 3.0 9,646.3 9,646.3 9,646.3 0.0 <br /> F 1,175 25 45 7.3 9,654.4 9,654.4 9,654.4 0.0 <br /> G 1,919 68 116 2.8 9,672.8 9,672.8 9,673.7 0.9 <br /> H 2,383 68 83 4.0 9,686.2 9,686.2 9,686.2 0.0 <br /> I 2,908 80 97 3.4 9,701.2 9,701.2 9,701.5 0.3 <br /> J 3,329 70 75 4.4 9,716.1 9,716.1 9,716.7 0.6 <br /> K 3,870 35 125 2.6 9.743.4 9,743.4 9,743.4 0.0 <br /> Sawmill Gulch REV~DATA <br /> I A_Q2 I 1 <br /> -. <br /> REV~$fl ,. 10 <br /> REflEC ~ lOMR <br /> IU\T~n ( CT 1520 <br />IFeet above confluence with Blue River Middle Branch 'No Floodwav determined . <br />T FEDERAL EMERGENCY MANAGEN ENT AGENCY FLOODWAY DATA <br />A TOWN OF BRECKENR~DGE, CO <br />B <br />L I <br />E (SUMMIT CO. <br /> ILLINOIS GULCH-SAWMILL GULCH <br />2 <br /> <br />4 <br />