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For the entire Pryor Canyon drainage basin (upstream of the confluence with <br />Santa Clara Creek: <br />010 = 500 x (2.57)0'89 = 1158 <br />025 = 840 x (2.57)'97 = 2098 <br />0100 = 1,550 (2.57)1'07 = 4255 <br />Method 2 - Colorado Department of Natural Resources, Technical <br />Manual 1 <br />For the Plains Region of Colorado (including the Arkansas <br />River Basin up to elevation 9000). <br />0 = 144 AO.528 S 0.336 <br />10 B <br />0 = 891 A0.482 S 0.154 <br />• 50 B <br />0 = 1770 A0.463 S 0.086 <br />100 B <br />Total contributing area, A, is in square miles. Basin (channel) slope, <br />SB, in feet per mile, is measured between two points along the main channel, <br />one point at 10 percent of the channel length and the other at 85 percent <br />of the channel length. <br />For the area upstream of the point where Pryor Canyon drainage exists the <br />permit area. <br />010 = [144(1.6)0.528 (176.2)0.336 = 1049 cfs <br />050 = C891 (1.6)-482 (176.2)0.154 = 2478 cfs <br />0100 = [1770 (1.6)0.463 (176 2)0.086 = 3433 cfs <br />• JFSA- 37 <br />~~ 137 <br />~$ SIl7Q & ASSC+CIATES~ WC. <br />