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<br />IMPACTS AND FUTURE MONITORING <br />' The discharge rate from the No. 1 Strip Pit has continued to fall <br />considerably below historic values. No significant unpredicted adverse <br />impacts were detected in 1987. A long term increase in the dissolved <br />' solids in the Williams Fork Alluvium wells, especially wells AVF-3 and <br />AVF-5, was observed. The cause of this increase is unknown; however, the <br />data indicates that it is not from the mine discharge. <br />' Previously, impacts to the Middle Sandstone were indicated by declining <br />water levels in the Middle Sandstone monitoring wells. Based upon the <br />latest data, these declines appear to be the result of natural phenomenon <br />and not due to the effects of mining. <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />1 <br /> <br />' 6 <br />