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Dallas Creek Project, Colorado (BR) -13- . Ridgway Reservoir could provide an estimated 24,400 man-days of flat-water fishing opportunities. Realization of these man-days of fishing will be dependent upon the quality of this fishery and its ability to compete with the several other flat-water fisheries that will be available to the area's fishermen such as Blue Mesa, Morrow Point, Crystal, Crawford, and Silver Jack Reservoirs (11,187 total surface acres). Colorado Division of Wildlife expects that the Ridgway reservoir fishery will have to be maintained by a program of annual stocking of catchable- size fish. Biological productivity in the reservoir will be so low that fingerling stocking would not yield a satisfactory return. Estimated annual costs water will be $99,300. of benefits that could of a catchable-size fish stocking program for this This exceeds significantly the estimated $36,600 be gained from this fishery. The maintenance of this type of a program will not be economically justified, and it is suggested that this water not be stocked under this basis. However, if as a result of public pressure, a stocking program of this nature is required, it must be recognized that this is a project-oriented problem and as such will be a project responsibility for resolution.' This project responsibility could be met by assuming the stocking program for this reservoir using fish produced at Colorado River Storage Project, Section 8 financed hatchery facilities. To achieve the best possible results from this stocking program, it may be necessary to eradicate competing nongame fish from the drainage above Ridgway Reservoir. This will be an associated project responsi- bility. Dallas Divide Reservoir is at a high elevation and when at full pool, will be an attractive area. However, at this elevation the growing season will be short and when coupled with the fluctuation of the water surface it is expected that the fishery will be of mediocre quality. This fishery can probably be maintained by a fingerling stocking program. The re-regulating reservoirs, McKenzie and Horsefly will not be suitable habitat for establishing a fishery.