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• <br />Via Email and U.S. Mail <br />May 6, 2014 <br />Mr. Tom Kaldenbach <br />Division of Reclamation, Mining & Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Re: Schwartzwalder Mine, Permit No. M -1977 -300 <br />v*ater Quality Data and Mine Level Measurements for March 2014 <br />Dear Mr. Kaldenbach: <br />With respect to the Schwartzwalder Mine site, enclosed please find monthly water quality <br />monitoring results and daily mine water level measurements for the month of March 2014. <br />This submittal represents continuation of routine monthly reporting of water quality monitoring <br />results and daily mine pool levels. It includes data from the new groundwater monitoring <br />swells. There was not enough water in monitor well 16 to collect a s umple_ <br />Data from the mine pool depth probe continues to show that the probe may be responding <br />erratically to the fluctuations in the depth of the mine pool. A physical measurement of depth <br />to water was made on April 10, 2014, showing the mine pool surface at approximately 26 feet <br />below the Steve collar or approximately 6,576 feet in elevation. The required cable to hook up <br />the new probe was not received during this reporting period. <br />If you have any questions, please contact me at 719- 275 -7413 (ext. 202). <br />Sincerely, <br />4ohtnS.amrick <br />Vice President, Mill Operations <br />cc: Daniel Arnold, Esq. (Denver Water) <br />Mike Harris (WQCD) <br />Cotter Corporation <br />Canon City Mill, P.O. Box 1750, Canon City, CO 81215 -1750 USA <br />PIV/slov r� <br />MIN/N6AND ��� ON <br />Telephone (719) 275 -7413 <br />Fax (719) 275 -1669 <br />