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A review of the water year for this series of wells up gradient to the mining area indicates <br />minimums occurred at GW -N36 for laboratory conductivity, TDS, sulfate, calcium, iron, <br />sodium, and magnesium. Minimums also occurred at GW -N37 for laboratory conductivity, <br />TDSA, sulfate, calcium, and magnesium. As shown on the graphs for indicator parameters, also <br />three wells are trending downward for all indicator parameters. All three of these wells are not <br />influenced by the mining and express the up gradient condition. <br />111 Page <br />