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<br />0") <br />C,? <br />CD <br />...; <br /> <br />CHAPl'ER V <br /> <br />ALTERNATIVES STUDIED <br />(Tomichi Creek Unit) <br /> <br />roads and canals would require clearing and some excavation that would <br />result in increased soil erosion, stream turbidity, and some permanent <br />scars. Dust and noise would increase during the construction period. <br /> <br />Elko Reservoir would inundate an irrigated valley with aspen, <br />spruce, and fir trees on the north-facing slopes. Nearly half of Tomichi <br />Creek through the reservoir basin is good trout habitat while the other <br />half is a channelized section next to the existing highway. The reser- <br />voir would provide new opportunities for lake fishing and recreation de- <br />velopments. <br /> <br />As previously discussed, some habitat for deer would be lost by the <br />Tomichi Creek development but the loss would be mitigated by purchase of <br />private lands and their rehabilitation as winter range. Some habitat for <br />sage grouse also would be lost. <br /> <br />Estimated costs <br /> <br />Construction costs of the Tomichi Creek Unit are estimated at <br />$15,158,000 on the basis of January 1973 prices. These estimates include <br />costs for needed cadastral surveys and rights-of-way. <br /> <br />Elko Dam and Reservoir <br />Crookton Canal <br />Permanent operating facilities <br />Drains <br />Recreation facilities <br />Purchase and improvement of <br />wildlife range <br />Investigations <br />Total <br /> <br />$12,638,000 <br />1,345,000 <br />54,000 <br />226,000 <br />218,000 <br /> <br />100,000 <br />577,000 <br />15,158,000 <br /> <br />Unit operation, maintenance, and replacement costs are estimated at <br />$36,100 on the basis of 1970-72 prices. The costs include $17,000 for <br />irrigation and joint use facilities and $19,100 for recreational facilities <br />at Elko Reservoir. <br /> <br />Benefit-cost analysis <br /> <br />Benefits <br /> <br />Benefits from the Tomichi Creek Unit are estimated at an average of <br />$354,100 annually as shown in the following tabulation. The recreational <br />benefits were estimated by the Forest Service, and the estimates of irri- <br />gation and fishery benefits were made by the Bureau of Reclamation. The <br />fishery benefits were based on an average of 8,400 man days of fishing a <br />year, with each day valued at $1.50. Allowance was made for agricultural <br />benefits that would be lost in Elko Reservoir Basin. <br /> <br />50 <br />