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<br /> lOA <br />Table 5. Green River backwater number, area, and average size <br />under seven flows at Island Park, 1987. <br /> Flow CFS <br />Backwater descriptors 5,260 2,423 1,773 1,687 1,430 1,381 1,101 <br />Size class (m2 ) <br />Bank <br /><20 3 0 6 1 4 7. 6- <br />>20<200 9 7 10 8 10 10 15 <br />>200<500 4 2 4 2 3 3 1_~ <br />>500<1000 2 2 1 3 1 1 1_ <br />>1000 0 1 2 2 2 4. 4 ~, <br />Total number 18 12 23 16 20 25 27- <br />Total area 3,404 5,049 8,349 9,057 9,615 13,515 17,641 <br />Average size 189 421 363 566 481 541 653 <br />Channel <br /><20 3 0 2 3 1 2 5 <br />>20<200 13 15 16 14 16 22 14 <br />>200<500 2 3 3 4 3 3 2 <br />>500<1000 4 2 1 1 0 2 3 <br />>1000 0 0 0 0 1 2 1 <br />Total number 22 20 22 22 21 31 25 <br />Total area 4,455 3,526 2,811 3,074 3,734 6,555 4r512 <br />Average size 202 176 128 140 178 211 180 <br />Total Backwaters 40 32 45 38 41 56 52 <br />Backwaters/mile 7 6 8 7 7 10 9.:: <br />Total Area 7,859 8,575 11,160 12,131 13,349 20,070 22,153 <br />Area/mile 1,379 1,504 1,958 2,128 2,342 3,521 3,886 <br />Average Size 196 268 248 319 326 358 426 <br />