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6 . Expected management of the tailwater and downstream fishery would provide 4,000 man-days of additional fishing in the South Platte River for a benefit of $12,000 annually. In addition, upgrading in value of 5,000 man-days of stream fishing would provide benefits of $7,500 for a total stream fishery benefit of $19,500 annually attributed to the hatchery. It is estimated that there would be 30,000 visitor-days annually at the hatchery unit for a benefit of $15,000. Total benefits attributed to the hatchery unit would be $259,500 annually. To realize the full potential of the fishery associated with the Narrows Unit, additional recommendations should be added to those presented in our 1966 report. I t is recommended that: 7. A fish hatchery and rearing unit as described in this report be constructed as integral parts of the proj- ect at a cost of $815,000 to be cost-shared equally by the Federal Government and the Colorado Division of Game, Fish and Parks in accordance with provisions of the F~deral Water Project Recreation Act (79 Stat. 213). 8. About 120 acres of project lands below Narrows Dam be made avai lable to the Colorado Divis ion of Game, Fish and Parks for administration of the hatchery and rear- i ng un it in accordance with a Genera 1 P I an as p rovi ded in Section 3 of the Fish and Wildlife Coordination Act (48 Stat. 401, as amended; 16 U.S.C. 661 et seq.). Reevaluation, of Project Benefits and Costs The following discussion pertains to the updating and revIsing of the costs and benefits presented in the synoptic portion of our August 1966 report associated with Narrows Reservoir, Jackson Lake, the South Platte River fishery downstream from Narrows Dam, and the proposed: State Wildlife Management Area. Narrows Reservoir has been reevaluated in light of the proposed fish hatchery and the nature of the fishing anticipated. Total fishing pressure on Narrows Reservoir is expected to be 160,000 man-days annually, 60,000 of which would result from the hatchery. The re- vised benefit for the Narrows Reservoir fishery is estimated at $240,000 annually of which $90,000 would be attributed to the hatchery unit.