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<br />Table 7. - Comparison of backwater number and area between 1988 (August 23, 27 and 28, flow <br />at Jensen gauge = 1,188-1,270 ft3js, flow at Green River, Utah = 1,764-1,989 ft3j); and 1989 <br />(September flow at GS Jensen gauge = 1,023-1,420 ft3js; flow at GS Green River, Utah <br /> gauge = 1,590-1,660ft3js) for the upper and lower reaches of the Green River <br /> River-mile Backwaters Area (m2) Averaae size <br /> (m2) 1988 1989 1988 1989 1988 1989 <br />Lower reach <br />0-15 22 12 2,589 4,276 118 357 <br />16-35 36 19 10,753 12,412 299 653 <br />36-55 40 23 12,987 17,272 325 751 <br />56-75 44 24 13,275 16,588 302 691 <br />76-95 19 15 4,022 5,175 212 345 <br />96-115 47 16 17,298 10,449 368 653 <br />Total reach 208 116 60,924 68,457 293 590 <br />0-120 <br />UDDer reach <br />216-235 56 56 29,137 46,11 0 520 823 <br />236-255 85 81 31,188 71,589 367 884 <br />256-275 101 93 41,746 55,893 413 601 <br />276-315 154 51 33,221 32,008 216 628 <br />296-315 154 51 33,221 32,008 216 628 <br />Total reach 567 376 212,893 247,635 375 659 <br />(216-315) <br /> <br />16 <br />