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<br />Table l.--Benefit-cost analysis
<br />
<br />Item
<br />
<br />Amount
<br />
<br />Investment
<br />Estimated project cost
<br />Less future recreation development
<br />Add discounted future recreation costs
<br />Adjusted project cost
<br />Less road relocation (P.L. 87-874)
<br />Less preauthorization investigations
<br />Subtotal
<br />Interest during construction
<br />Less road relocation interest during
<br />construction
<br />Net project investment
<br />
<br />Annual costs 1/
<br />Equivalent of investment -
<br />Annual OM&R costs:
<br />Dam and reservoir
<br />Wildlife management area
<br />Jackson Lake
<br />Recreation development
<br />Initial lands and facilities
<br />Future facilities (discounted)
<br />Fish hatchery & rearing unit
<br />Total annual costs
<br />
<br />Annual benefits
<br />Irrigation
<br />Narrows water supply - direct
<br />Narrows water supply - indirect & public
<br />Savings in OM&R by irrigation interests
<br />Flood control
<br />Fish & wildlife enhancement
<br />National
<br />Local
<br />Recreation
<br />Initial development
<br />Discounted future development
<br />Total annual benefits
<br />
<br />Benefit-cost ratios
<br />Direct benefits only
<br />Total benefits
<br />
<br />$135,000
<br />1,710,000
<br />
<br />5,993,900
<br />
<br />12,400
<br />
<br />143,300
<br />12,100
<br />
<br />$1,394,000
<br />221,500
<br />16,000
<br />
<br />51,000
<br />501,200
<br />
<br />1,162,500
<br />248,100
<br />
<br />$68,050,000
<br />235,000
<br />145,000
<br />$67,960,000
<br />
<br />1,845,000
<br />$66,115,000
<br />
<br />5,981,500
<br />$72,096,500
<br />
<br />$2,442,600
<br />
<br />31,000
<br />37,000
<br />18,000
<br />
<br />155,400
<br />64, 700
<br />. $2,748,700
<br />
<br />1,631,500
<br />1,599,000
<br />
<br />552,200
<br />
<br />1,410,600
<br />$5,193,300
<br />
<br />1.81
<br />1.89
<br />
<br />11 100 years at 3~% - Factor .03388.
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