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<br />ItS882
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<br />MISSOURI RIVER BASIN
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<br />and Chief of Engineers may.find advisahle. Construction of reser-
<br />voirs under this plltn has not been commenced except for Kallopolis
<br />Reservoir ill the Kausas River Basin. Work on this partially com-
<br />pleted reservoir has been deCerred to conscrYo C,riticnl materials and
<br />luboI' during the waf. A phm for reservoir storn.~e of flood .waters on
<br />Cherry Creek, Colo., nn extreme headwater of Platte River, now
<br />estimat,ed to cost $l1,OOO,OOO,)vas also approved by the Flood Cont.rol
<br />Act of 1941 and $3,000,000 authorized for partial aeeomplisbment,
<br />The estimated total cost of'the reservoirs and the protection works
<br />for the Kansas Citvs is $171,000,000.
<br />6. Locul interest:s desire the undertaking of such works as may .he
<br />found appropriate for secui'ing relief from floods for the farm lands,
<br />cities, and smaller urban corrununities along t,he 11issouri River be-
<br />tween Sioux City and the mouth, In view of the magnitude of the
<br />prohlem 8ml the number of separate interests involved, they helieve
<br />that this should he ace~mplished as a Federnl project. Had the levees
<br />authorized by the act of 1941 for the sect,ion between Sioux City and
<br />Kansas City' been constructed, they would liot IllLve uITonled pl'otee-
<br />tion during the flood period of the current year. In view thereof,
<br />local interests Ul'g-e a reconsideratiun of nood protection mefiSUTeS for
<br />the enl,ire 760 miles of river and the formulation and execution of a
<br />coordinated comprehensive plan of adequate works.
<br />7. The division engineer /inds that a propel' solution of the flood
<br />problems alon~ the main stem of the :r\'lissouri River requires the
<br />formulation of a comprehensive plan for works to'supplement those
<br />heretofore approved. He presents such u plan which provides for the
<br />construction of 1'2 n.dditionnl rnl11li[lle,-p\1rpm:.(~ reservoirs, 5 on the
<br />Missouri Ri\'Crwith dams located nbrve Sioux Cil,y between Y,wkton,
<br />S. DDk., and Garrison, N. Duk., 2 in€he Yellowstone River Basin, find
<br />5 on t.rihlltmics of t,he ReplIblicnn River; snch works fiS required to
<br />convey a fensible amount of water from the proposed Garrison Res-'
<br />ervoir on the upper ~'fissouri River across the Divide to the Devils
<br />Lake arf'11 ano to t.he h~nuwn.ters of .James Rive.r; o.nd levees along
<br />both banks of the Missouri River hetween Sionx City and the mouth
<br />to prot.ect all Areas practicable, with flood wnIls as necessary in con~
<br />gcsted areDS including- pumping plants and dminageoutlets. With
<br />the reservoirs t.he levees are planned to itfi'ord protection against floods
<br />eq lIal to the largest, of re_eord. The division engineer estimates the
<br />Federal cost at $410,000,000 for reservoirs and relnted works and
<br />'$71,600,000 for levees and their appurtel\lUlCee; and the cost to local
<br />:interBsts at. $8,400,000 for levee rights-of-wny and I:elocntions; making
<br />" total cost of $490,000,000. By these proposed llllprovements; not
<br />only ,,'ould large flood dmnfiges be prevented along the Missouri River
<br />and Its trihutaries and the l\Jississippi River, but,nlso floodwuters
<br />would be rct,uinr-d for th~il' best uscs for nIl pllrposes including irriga-
<br />tion, navigation, power, domest.ic find snnitary purposes, wildlife, and
<br />recreation. Considering the lar~e benefits of tangible nature aud such
<br />intangibles as the saving of hlU~an lives the lllfeviu.tion of suffering,
<br />~tabiliZl1tion of the economic life of tbe v'nlley, and encouragement of
<br />mdustl"IUl and civic developments, the division engineer conclu~es
<br />~hat the plan is t,hol'oughly justified. He proposes it u.s n. progre!;~lVe
<br />illlprovement to be undcrtaken by steps as conJitions Witrrant and tho
<br />\wailability of funds permits.
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