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<br />Table 6. - Average channel width for the lower and upper reaches of the Colorado River <br />for the ISMP, September 26, 1989 (flow at GS State Line gauge = 2,990 fe/s) <br /> <br />River-miles <br /> <br />Average channel width S* No. of <br />(m) transects <br />146 36 83 <br />176 50 82 <br />194 50 85 <br />138 66 84 <br />122 50 81 <br />153 57 42 <br />153 57 457 <br /> <br />Lower reach <br /> <br />0-20 <br />21-40 <br />41-60 <br />61-80 <br />81-100 <br />101-110 <br />Total reach (0-110) <br />UDDer reach <br />140-170 <br /> <br />175 <br /> <br />88 <br /> <br />142 <br /> <br />* Standard deviation <br /> <br />15 <br />