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COTTER CORPORATION&WARTZWALDER MINE <br />Ralston Creek Survey, May 19, 1999 <br />Stream Profile SW-0S <br />Second Reading <br /> First Reading <br />Stream Tape Water Section Revolutions Velocity in Cubic ft. <br />Station Reading' Depth Area per minute. ft./sec per sec. <br /> (feet) (feet) (sq. ft.) <br />River left. 8.30 0.00 <br />1 9.00 0.20 0.22 3 0.13 0.03 <br />2 10.00 0.45 0.45 0 0.02 0.01 <br />3 11.00 0.50 0.50 9 0.35 0.17 <br />4 12.00 0.80 0.80 7 0.27 0.22 <br />5 13.00 1.30 1.30 27 1.00 1.30 <br />6 14.00 1.45 1.45 52 1.91 2.77 <br />7 15.00 1.85 1.85 90 3.29 6.08 <br />8 16.00 1.60 1.60 135 4.91 7.86 <br />9 17.00 1.45 1.45 130 4.73 6.86 <br />10 18.00 1.30 1.30 79 2.89 3.75 <br />11 19.00 1.25 1.25 93 3.39 4.24 <br />12 20.00 0.85 0.85 50 1.84 1.56 <br />13 21.00 0.50 0.50 21 0.78 0.39 <br />14 22.00 0.30 0.30 7 0.27 0.08 <br />15 23.00 0.10 0.12 0 0.02 0.00 <br />River right. 23.70 0.00 <br />Flow Rate 35.33 cfs <br />Flow Rate 15857 gpm <br />Water Section Revolutions Velocity in Cubic ft. <br />Depth Area per minute. ft./sec per sec. <br />(feet) (sq. ft.) <br />0.00 <br />0.20 0.24 2 0.09 0.02 <br />0.45 0.45 2 0.09 0.04 <br />0.50 0.50 6 0.24 0.12 <br />0.75 0.75 5 0.20 0.15 <br />1.20 1.20 18 0.67 0.81 <br />1.40 1.40 57 2.09 2.93 <br />1.85 1.85 95 3.47 6.41 <br />1.60 1.60 135 4.91 7.86 <br />1.35 1.35 123 4.48 6.05 <br />1.30 1.30 76 2.78 3.61 <br />1.30 1.30 83 3.03 3.94 <br />0.90 0.90 44 1.62 1.46 <br />0.55 0.55 19 0.71 0.39 <br />0.25 0.25 6 0.24 0.06 <br />0.10 0.12 0 0.02 0.00 <br />0.00 <br />Flow Rate 33.85 cfs <br />Flow Rate 15193 gpm <br />Stream Profile SW-OS <br />6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00 24.00 <br />0.00- <br />0.50- <br />13% <br />Q. <br />p 1.00- no <br />E 1.50 <br />L <br />r <br />N 2.00 <br />2.50 <br />- - First Reading ® Second Reading <br />Date: 5/19/1999 Stage: 1.75 feet Flow Rate: 34.59 cfs <br />Distance measured from established 0 point.