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The water flows for the North Fork are obtained from the USGS Gauging station located on the <br />river upstream of the mine. Discussion took place with USGS regarding the future of the station <br />in light of funding challenges. If the data from the station becomes unavailable, some other <br />mechanism may have to be employed for flow data. <br />HN -1 —Lower Hawk's Nest Creek <br />Surface water monitoring site HN -1 Lower Hawk's Nest Creek, is monitored to verify that the <br />Sanborn Creek Mine does not have an adverse effect on the quality or quantity of runoff from <br />this ephemeral drainage. During 2017 there was, again, minimal flow in Hawk's Nest Creek <br />during spring snowmelt, and no flow after snowmelt was completed. Higher sulfate levels seen <br />in 2011 appeared to return to normal in 2013. An analysis of the data suggests there is no adverse <br />impact of the Sanborn Creek Mine to Lower Hawk's Nest Creek. <br />11 <br />