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<br />The production from the hatchery and rearing unit described above <br />would provide for an additional 60,000 man-days of fishing for a <br />benefit of $90,000 annually at Narrows Reservoir. The increased <br />high-quality' coldwater fishery established in Jackson Lake would <br />support an additional 40,000 man-days of fishing for a benefit of <br />$120,000 annually. Also, the 10,000 man-days of flshin~,i5sotiated <br />with the rehabi litation of Jackson Lake Dam would increase in value <br />for an additional benefit of $15,000 annually. The total fishery <br />benefit at Jackson Lake attributed to the hatchery unit would be <br />$135,000 annually. <br /> <br /> <br />5 <br /> <br />Table 1. Costs of Hatchery and Rearing Unit <br /> <br />. <br /> <br />Item <br /> <br />Deve lopment <br /> <br />Substitute buried concrete pipe for 4,200 <br />foot-open-seep drain <br />Collection and transportation of seep water <br />to hatchery <br />Pumping plant and discharge lines <br />Aeration, rearing, nurse, and settl ing <br />ponds and raceways <br />Water supply and plumbing <br />Storage bui ldings <br />Basin buildings <br />Res i dences, 2 <br />Total <br /> <br />Annual 0, M, and R <br /> <br />Salaries <br />Ave rage pump i ng cos ts <br />Uti 1 ities <br />Maintenance of equipment <br />Replacement of equipment <br />Fish food, eggs, fry, and supplies <br />Total <br /> <br />l! Includes contingency and indirect costs. <br /> <br />Cost <br /> <br /> <br />$ 50,000 <br /> 70 ,000 <br /> 100,000 <br /> 300,000 <br /> 120,000 <br /> 98,000 <br /> 22,000 <br /> 55,000 l! <br />$815,000 <br /> <br />$ 2 I ,000 <br />1,000 <br />1,200 <br />6,500 <br />10,000 <br />25,000 <br />$ 64,700 <br />