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<br />LIST OF TABLES (cont'd) <br /> <br />Page <br /> <br />2.9 Summary of minimum instream flow <br />alternatives . . . . . . . . <br />2.10 Summary comparison of alternatives <br />2.11 Alternative cost data and benefit/ <br />, cost analysis (in $1,000) <br />2.12 Impacts of alternatives <br /> <br />2-41 <br />2-45 <br /> <br />2-46 <br />2-47 <br /> <br />CHAPTER 3 <br /> <br />AFFECTED ENVIRONMENT AND ENVIRONMENTAL CONSEQUENCES <br /> <br />3.1 <br /> <br />3.2 <br /> <br />3.3 <br /> <br />3.4 <br /> <br />3.5 <br />3.6 <br /> <br />3.7 <br /> <br />3.8 <br /> <br />3.9 <br /> <br />3.10 <br /> <br />3.11 <br /> <br />3.12 <br /> <br />J <br /> <br />, <br />'t <br />:1 <br />~ <br />, <br /> <br />Simulated flows in the Gunnison River <br />below Crystal Reservoir (ft'/s) <br />Average monthly flows (ft'/s) entering <br />the Black Canyon for alternative A <br />(no-action) condition (1952-1983) <br />Simulated flows in the Uncompahgre <br />River below Colona (ft'/s) <br />Average monthly flows (ft'/s) at <br />various locations along the <br />Uncompahgre River (alternative A) <br />Peak discharges for area <br />streams (ft'/s) . . . . . . . . . <br />Average monthly flows in the.Gunnison <br />River entering the Black Canyon for <br />each alternative (ft'/s) <br />Flows entering the Black Canyon in <br />ft'/s for alternative A-- <br />no-action conditions . . . . <br />Flows entering the Black Canyon <br />in ft'/s for alternative B-- <br />1,135 ft'/s turbine capacity, no <br />Tunnel modifications . . . . <br />Flows enteri4g the Black Canyon <br />in ft'/s for alternative C-- <br />1,135 ft'/s turbine capacity <br />and 1,300 ft'/s tunnel capacity . . . . . . . . . 3-20 <br />Flows entering the Black Canyon <br />in ft'/s for alternative E-- <br />950 ft'/s turbine capacity, <br />no Tunnel modifications . . . . . . . . . . . . . 3-21 <br />Flows entering the Black Canyon <br />in ft'/s for alternative F-- <br />1,135 ft'/s turbine capacity, <br />no Tunnel modifications, <br />with de-icing flows . . . . <br />Comparison of average monthly Tunnel <br />diversions for alternatives (ft'/s) <br /> <br />. . . . . . <br /> <br />3-9 <br /> <br />3-11 <br /> <br />3-12 <br /> <br />3-13 <br /> <br />3-14 <br /> <br />. 3-16 <br /> <br />. . . . . . . . 3-18 <br /> <br />. . . . . . . . 3-19 <br /> <br />3-22 <br /> <br />3-23 <br /> <br />viii <br />