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<br /> BASE FLOOD <br /> FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION <br /> 1 SECTION MEAN I WITHOUT I WITH I <br /> CROSS SECTION DISTANCE WIDTH AREA VELOCITY REGULATORY FLOODWAY FLOODWAY INCREASE <br /> (FEET) ( SQUARE (FEET PER <br /> FEET) SECOND) (FEET NGVD) <br /> 2 <br /> Chase Gulch <br /> A 172 8083.72 <br /> B 252 8089.99 <br /> C 362 8095.41 <br /> 0 440 8099.60 <br /> E 507 8102.31 <br /> F 601 8109.59 <br /> G 705 8115.15 <br /> H 789 8120.80 <br /> I 962 8129.55 <br /> J 1092 8137.71 <br /> K 1157 8141.71 <br /> L 1274 8150.27 <br /> M 1430 8158.39 <br /> N 1614 8173.99 <br /> 0 1639 8174.69 <br /> p 1675 8176.00 <br /> 1 2 h" <br /> Feet Above Mouth No Floodway Computed For T 18 Stream <br />~ FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA <br />:a- <br />m <br />r- CITY OF BLACK HAWK, CO <br />,.., (GI LPI N co.) <br />w CHASE GULCH <br />