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<br />Cotter Corporation <br />Mr. Steven G. Renner <br />May 10, 1990 <br />Page 2 <br />Development/Mining Operations <br />o Surface drilling <br />o Mine dewatering in preparation <br />for mining <br /> <br />Mine Maintenance <br />o Installation of automated <br />sump probes <br />o Mine inspections <br />o Reconstruction of air and water o General mine maintenance <br />lines (including electrical <br />wiring) in preparation for <br />mining <br />o Ground control in preparation <br />for underground drilling which <br />is designed to define the ore <br />deposit <br />o Timber repair in preparation <br />for mining <br />o Mine feasibility studies <br />o Radiometric mine surveys to <br />define the ore deposit <br />o Access road regravelin9 and <br />regrading in preparation for <br />mining <br />If there are any questions concerning this request for <br />a technical revision to permit No. 77-310, please contact me. <br />Sincerely, <br />~~ c~ ~~ <br />Timothy C. Smith <br />Manager of Environmental Affairs <br />TCS/dd <br />Attachment <br />