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aV'lilable to the Corps "f Engineers. Control of erosion on tributaries 'l,.,d unland areas of the basin could be accompli shed through an ~xp~;.jej pro8rarn of conservation measures. f. ~ e. ~ec~~ation. The Narrows Reservoir will provide wnter- "::::-:'St".: recreation and fish and wildlife enhancement oI'Portunities fa!" tCle persons residing in the 13ijou Cree]; bll.sin and alonr, the lo',_e!" :;outh Platte River. 'l'he potential !':Il.st J1ijou Creek dam an~ reservoir would provide opportunities for developing over- nir:i\t campine: facilities. At the 10 December 1969 public hearinr,s, local interests opposed the development of recreation facilities at the potential reservoirs. The State Game, Pish and Parks ueDartment indicated that it had no interest in developing recrea- tion facilities at the reservoirs. In view of the lack of local interest and the opposition expressed by local interests, no further consideration was given to developing recreation facili- ties at the potential reservoirs. The addition of recreation at the reservoir sites could be considered at a future date in the event local views change. , f. Summary. On the basis of preliminary studies , it Wl.S clet"rmined that, due to the limited urban flood problems in the Ili,ie'll Creek basin and along the lower South Platte River, evacua- tion, zoning, flood insurance, and flood proofin~ would not si'cnificantly reduce the flood problems. Local protection nro,1ects Il.t Byers and at Deer Trail woula be economically feasible to construct based on the preliminary studies. Local interests indicated that they would be unable to provide the necessary local cooperation. Levee and channel improvements along Bijou Creek basin streams and along the lower South Platte River would be economically infeasible to construct. Diversion to the Narrows Reservoir would be an effective method of reducing flood damages in the downstream portion of the Bijou Creek basin and along the lower South Platte River; however, diversion would not reduce flood damages in the upstream areas of the Bijou Creek basin. In addition, sediment entering the Narrows Reservoir through the diversion channel would make the reservoir less desirable environmentally. Construction of reservoirs in the 13ijou Creek basin would reduce flood damages in the basin and along the lowcr South Platte River. 17. f08'ruI~TION CONCEPTS ~~) t ~ filling formulation of the plan of improvement was based on the concept that it must: (l) Provide a practicable and economical an existin~ or prospective need; means for ful- 24