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Table 9 (Continued) <br /> Comparison of October 1979 Water Quality to <br /> October 1985 Water Quality on Tuttle Draw, <br /> Upstream and Downstream from the <br /> . Nucla Mine, Montrose County, Colorado <br /> Site SW-N1 Site SW-N3 <br /> Parameter (Upstream) (Downstream) <br /> (mg/l )* 10/19/79 10/17/85 10/29/79 10/27/85 <br /> Sodium 71 62 64 52 <br /> Suspended Solids, Total 1 20 4 16 <br /> Dissolved Solids, Total 1022 1312 2569 2364 <br /> Dissolved Solids, Total ------ <br /> (Calculated) 1323 1299 2401 2300 - <br /> Sulfate 702 667 1540 1453 <br /> Zinc, Total 0.02 0.01 0.03 0.01 <br /> *Unless otherwise noted. <br /> 'Indicates no data. <br /> 34 <br />