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o J2 J >< ::".:~'':':--:.:.<{': ~ ~:; /..:~'~& ',:"." . ;;~:)L,~ l5lst Meetin~ ~~~~~~ . Co lara do. was the has t for the l5ls t meeting of the MBIAC "hieh met in the Crown Jewel East Roam af the Albany Hotel in Denver, Colarada, on December 6 and 7, 1967. Agenda items are summarized belaw, ". ;';::;,.::.': ,~.:' 1fI Flaad Cantrol an the Sauth Platte River in Colarada t;~'::~;'~:: 1 I [~2';:X;)1 C:".::;:':'" :;~.:' :;;~:':;.:.:~.~: . ,.,J ~~I~~~ ; ""~..,.,. "'1 ;::~~)2.(;. ~::.:;:t::~:t~:;: I ;;~~J{.:'::'I Calonel McKenzie, District Engineer of the Omaha District, Corps af Engineers, told the Committee that flaad and related water prablems alang the Sauth Platte River ariginated in the Colarada partion of the Basin. Cherry Creek Darn, completed in 1953, mark2d the first success in control of the river. Built far $15 million, it prevented $130 million damages in the 1965 flaad alane. Chatfield Dam would have prevented the $325 millian damages caused by that flaad. Naw, constructian af Chatfield is underway and the praject will cantrol a drainage area af more than 3,000 square miles, . The propased Maunt Carban Dam, an Bear Creek eight miles upstream from its confluence with the Sauth Platte, will be similar to Cherry Creek and Chatfield, ~ .. If the 1965 flood had originated in the Bear Creek Basin, it would have inundated the entire flood plain af the creek. Water would have spread to 2,200 feet at the Bear Creek shapping area, Downstream from the Greek Mouth, the fload width would have been 2,000 to. 3,000 feet. Mount Carbon is a majar unit in flaod control for metropolitan Denver. Sauth Platte Redevelapment--Denver Mr, Lee Jahnson, Administrative Assistant to. Mayor Currigan af Denver, said it required 14 inches of rain during a few hours an the Plum Creek Watershed pouring torrents of water into the South Platte River and resulting in more than $325 million damage in the metra- politan area, to force Denver to take a goad look at the Sauth Platte River Valley. As a result, the Mayar's Platte River Development Study was funded by the Department af Housing and Urban Develapment thraugh the Denver Urban Renewal Authority in the amount af $240,000. . The study, under Mayor Currigan's directian, evalved an averall guide to be carried aut over a period of 20 years and an es tima ted total cast af $630 million of which the City's share will be about '!'~!::":'r.1 <,)~';I . 9 ,..,- .., ":".' '-:. ~: ..' I . .; ~,.-...'- . "<:.,:/<1