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UPPER COLORADO RIVER COMMISSION ANNUM, REPORT 1957 - ~ = ~ D."Anthorized~Stvrage IInits .~ ~ `-~ y r ~ ,3 (Information relative to Storage:Units.and participating - projects has been obtained-from reports,on investigations ~. and activities of the U. 5. Bureau of Reclamation,-Depart ment of the Interior) - _ 4J_ Of_major importance to the Upper Colorado"River Ba"san`States ,_ . i.~ the fact that the construction of four Storage Units of the-Colo=a ': ~~?o River Storage Project and the eleven participating projects w2s authorized in Section 1 of Public- Law 485.- The. four authorized _ +nrasze Units are Glen Cannon Flaming Gorge, Navai©"and Cure- "= csnti. Combined they will provide about 35,210,000 acre-feet of - ----•-- ,.___...,:4., ....,] .,L....,4 1 ~ z~ nnn Uilr,w~+te of ~nsfa~~Pd- - _.., -- ceneratm~ capacity : ~ - - ~ 1. Glen Canyon Unit The Glen Canyon- Dam and Reservoir, will comprise the key storage Unit and will be the largest of the initial four. it will ,provide. about 80 `%~ of both the storage and generating capacity and ~~ Kili be roughly comparable in -size to Hoover Dam and Lake :Mead` The concrete. gravity-arch dam located in northern :~rizona on -the:- .., Colorado River, 12.4 miles downstream from the Utah-Arizona:: state line, anal. 15.3 miles upstream.. from Lees Ferry will extend X80 feet above -the river. It will be a little lower than Hoover--Dam and will be the second highest dam in the United States. The reser- ~~oir will have a capacity of 28 million acre-feet and Kill extend 186 .Hiles upstream on the Colorado River, and 71 miles up the San . .Yuan River: The power house,: which .will be located at the. toe of __' ~the dam,: will -have eight. generating units with a total installed "capacity of 900,000 ki.lowatts.. . ,- - - ~ - -= Construciion acti~-it.ies Temporary construction headquarters for the Glen Canyon :~ Dam and Reservoir. have been established at Kanah, Utals,; 70 ~rsiles.west of the dam site. The State of L'tah has constructed ~a ' - dirt access road bet~seen the site and Iianab. Telephone lines- have. i,een installed by the Mountain- States Telephone and Telegraph, Company. Tu-enty-five miles of access read are under construction°' . to the dam site from Bitter Springs,. Arizona..- This road will:.. be :';' built to the standards of a primary highway with Arizona paying 10 a of the-cost. _ ~.-;~ . , .:.. _. , .:-.. ~ -~, . _ , : , . - _ .. _ ~ - _ i w .