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collecting additional data to complete the characterization. This report will be submitted <br />to DRMS for review and comment prior to implementing additional field work. <br />Additional field and laboratory information needed to address data gaps may include one <br />or more of the following. <br />1) Hydraulic conductivity test results for rock samples from representative mine strata. <br />2) Placement of tracer or dye packs in mine pools coupled with monitoring of springs and <br />seeps. <br />3) Installation, sampling, and testing of additional temporary or permanent water wells. <br />4) Geologic and structural mapping of the mine workings. <br />5} Inventory and sampling of outlying springs or seeps in similar geologic terrain and <br />hydrogeologic conditions. <br />Once the additional data is collected, the final ground water characterization report will <br />be prepared and submitted to DRMS for review and comment. The report will <br />characterize the upgradient and downgradient aquifers, the ground water flowing into the <br />mine, the water flowing out of the mine, the eventual fate of the water flowing from the <br />mine, and any ground water impacts from mining operations. Potential environmental <br />impacts that are found as a result of the investigation will be evaluated in the report and, <br />if necessary; mitigation measures will be proposed. <br />