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<br />=:-.::2~2:-,.':'2:1"C rlcoc,.:2.Ys <br /> <br />In those areas "here a tributary enters a main stream, the flood- <br />.'.c.- c:2.si~eT T7lt:st detem,ine independent floodh'ays. ThIs is Clccomnlished <br />. :.::.:-,:;: cC~'-1:ing 2:l.d }:lotting the ilooch'ay on the ITI.am stream. Then <br />::-.2 :~~~d.,:a:-' ~.~st ~e cc:nputed fcr the tributary stream using the nain <br />~:~2a.~, ::'c::. ele\.ation that exists at the tiJTle the tributary reaches its <br />.::::c:-_?.:-:e. ~'1is dE-f:..nes the tributary flood\.;ay thro:Jgh the main <br />~:~ea.~ :rinsE area. T.~e ma,i~ boundaries are then used as the flood- <br />-~ ::~~'-- ~,.... ~~~:'~::'2'::, If t:-:=:'~:,J1)' C:-055 sections ar'2 <br />-=':':~:2:' ',,:::..::-:.i:-: tr_e b,s.c~~.':ate:- of the J:"3in strea..rn, the flooQ\.:ay tables <br />'".-:-=.-=. 5':-:c,,: "C.-,2 ~looc ele\'at:"c:1s of t~e tributary al1d are footnoted to snow <br />::.-= ~'::=":~:-,'::;.:e:- elevat,:cT1 of tr:e r..ain stre?....":1. <br /> <br /> <br />---c--o- FINAL,FLO;)DWt.y <br /> <br />lDO'YEAR <br />FLOOD LIMITS <br /> <br />FLDc-C",I,-'!;.'( L:l,-IITS - <br />TRI:.'J,t.R" <br /> <br />100-YE'R <br /> <br />MAIN STREAM <br /> <br />Fi 9 u r e 3 <br /> <br />4 <br />