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<br /> <br />, <br /> <br />..... <br />c.J <br />co <br />-.J <br /> <br />WATER QUALITY RECORD <br />LA PLATA MINE <br />SURFACE WATER MONITORING <br /> <br /> Electrical Total <br /> Conductivity Dissolved Solids <br />Date Monitorinq station (umhos/cm) (mqll) <br />8-01-89 McDermott Upstream 912 564 <br />7-31-89. McDermott Downstream 1173 734 <br />7-31-89 McDermott Upstream 609 334 <br />7-31-89 McDermott Downstream 1127 560 <br /> <br />6-15-90 Upper McDermott 2310 <br />6-11-90 McDermott Downstream 1353 892 <br />6-11-90 McDermott Upstream 1349 910 <br />6-10-90 cinder Gulch 1980 1544 <br />7-09-90 Cinder Gulch Downstream 1714 1742 <br />7-09-90 ' Cinder Gulch Upstream 814 634 <br />7-09-90 McDermott Downstream 1535 1152 <br />7-09-90 McDermott Upstream 2803 2138 <br />7-16-90 McDermott Downstream 1051 724 <br />7-16-90 Cinder Gulch Downstream 1341 1156 <br />7-16-90 Cinder Gulch Upstream 1266 1010 <br />10-5-90 Lower McDermott 436 316 <br />10-9-90 Upper McDermott 4460 3500 <br />10-5'-90 Lower Cinder Gulch 814 564 <br />10-5-90 Upper Cinder Gulch 982 718 <br />10-01-90 Upper Cinder Gulch 1390 896 <br />10-01-90 Lower Cinder Gulch 821 484 <br />10-01-90 Upper McDermott 1030 504 <br />09-20-90 Lower McDermott 1020 594 <br />09-20-90 Upper McDermott 594 364 <br /> average 1014 mgjl <br />