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<br />Fortification Creel<Rlleport ,"')
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<br />stored in this reservoir wuld eupplcmen-t natural flow;3 of ElkhGad. Slld
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<br />Fortification Crew.
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<br />53.. !-lethods of improvBlllt1nts CODstd~o-The control of floods bY'
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<br />levees. Channels. and flood-oontrol bauins) ann various combinations of
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<br />these improvements was conatde'I'ed. The control of floods by reDervotre
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<br />for mul t1ple-purposB 'use including flood control was not considered in
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<br />detail because (1) such consideration would be interrelated with water-
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<br />conservatioll problems of other stream basins in the d:raj.n~e area of Yampa
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<br />River. and (2) authority for this report specified investigation of th.e
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<br />flood problem resulting froM overflow by Fortification Croek at and near
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<br />the town of Craig. The coat of constructing a reservoir upstream from
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<br />Craig for flood ooD.tro~ alone 'WOltld be excessive in oompal''l3on with
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<br />resultant benefits. In general, the moat feasible improvements for
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<br />flood oontrol on Fortlfi,cation Creak would be channel rectificfl.tion 8.Il.d
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<br />levees to proteot the town of Craig.
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<br />PLMlS OF IMPROVEMEI!IT CONSIDERED
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<br />54.. Plans coneidered..--Studiea were made of platl.s for flood control
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<br />by levees'. channel 1mprovements I and flood-control baEins. These studies
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<br />indicated that a flood-contX'Ol basin could not be justified beoause of the
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<br />exoessive cos t of such a struoture as compared to 'the benefits that might
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<br />e.orue. Straightening of the present low-flow channel of Fortification
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<br />Creek and increasiog its'capacity was also considered and proved 1nfeaei-
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<br />bl.. Under such a plan, ice jam. during the spring thaw with the resultant
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<br />overflow of the town of Craig would still be possible. Various sizes and
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<br />combi~tions of levees and channel iJn:Provems'nts were considered.. A plan
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<br />providing tor levees Bet back a minhn'Wll d1Btance of 50 feet from the chan-
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<br />nel and for reotifying the obennel was determined to be the moet fel'Sible.
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