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• SIIRFACE WATER <br /> Goodsorina Creek <br /> Data analysis for the period 1982 through 1991 at both <br /> the Upper Goodspring sample location, which represents <br /> undisturbed conditions upstream of mining, and the Lower <br /> Goodspring sample location, which represents disturbed <br /> conditions down gradient of the mining, indicate no <br /> significant differences in water quality between locations. <br /> Both sites continue showing a slight increase in TDS over the <br /> past couple of years which is likely attributable to low flow <br /> conditions associated with the past few drought years. There <br /> continues to be anomalies in flow from one location to the <br /> other that are attributed to beaver activity between the <br />• sites. The beaver activity continues to back water up into <br /> the Upper Goodspring sample location flume and is starting to <br /> effect the Lower Goodspring flume also. Due to this <br /> condition, no flow measurements for the Upper Goodspring <br /> location are presented this year. Attempts have been made to <br /> remove the dams but with little long term success. Beaver <br />activity continues to be an important element of the <br />Goodspring Creek ecosystem and we see reason, at the present, <br />to change this trend. It is likely that eventually this <br />activity will back water up in all sampling locations Colowyo <br />utilizes to monitor the creek. In summary, there are no <br />apparent impacts to Goodspring Creek that are attributable to <br />the mining operation. <br /> <br />2 <br />