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<br />THE WEIL.AND ENGINEERING CO. <br />OlNVER . PUI!BLO . CAHON CITY <br /> <br />SU BJEC'r <br /> <br />FWEEUCE FLOOD PROTEC7ION <br /> <br />I;XHIPI~ <br /> <br />It is therefore tc guard acainst these S:lOrt perioos of almormal ;'10'01' <br /> <br />that the efforts of any plan for flood prevention or protection IT~lst be <br /> <br />directed. <br /> <br />The frequency Of destructive floods is 8, matter of ,g're8t moment in consid- <br /> <br />ering the justifiable extent of any rerr.ediel works that rr.8:J be contemplated. <br /> <br />As the situ.ation confronts Florence in particul.ar. the element Of frequency <br /> <br />is increased by the fact thE,t three shable streams, the tot~l drainRge <br /> <br />1:re8 of wr.ich exceeds 100 sq'~are miles as sl,own on Ji.'ap NO.1. flov! through <br /> <br />the city and its adjucent distI'icts, and eaoh of these separately or all <br /> <br />three together may be subjecteli to the flood waters from a severe locel <br /> <br />storm. It is witl,in the mer-:Gry of ycur older resicl,mts that two damag- <br /> <br />ing floods previous to tr.e o:oe of lSZ3, llave occ1.1rred. It is quite pos- <br /> <br />sible that there may have been other floods which were not recalled and <br /> <br />it is very probable thot still othel's oc()urred wi thout accor.".anying' in- <br /> <br />cident to IT.slte the~' es()eci81ly r',mef"oerecl. In any event. beinc reminded <br /> <br />of flcods of the past and kncwin[ the cUlr.a1.010gical and topogre'ohical <br /> <br />peculiarities of' the country it Is not unxeasonEble to expect floods in <br /> <br />tr.e f'..ture of equal if not grener severity. <br /> <br />During the time spent in gainin(; date for the presentation of' this rer)ort <br /> <br />we directed our first efforts to oot<>in measurements of the various <br /> <br />,stream-beds; r"tes Of fall of t'1e strean,s; a.nd the 1008..tion of badly coo- <br /> <br />gested and rest,ricted points a.l01)~ tr.0 ci.o.r;nels v:here structures or ir- <br /> <br />regulari ties in alinement wo,.lo tend to irrpede the flow; all this wi th <br /> <br />the idea of secllring as reliE,ble an ertim,~te of t'1e amollnt of water flowing <br /> <br />:~,> <br />." <br />