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cotter <br />Via Email and U.S. Mail <br />September 12, 2011 <br />Colorado Department of Public Health and Environment <br />Water Quality Control Division / WQCD -B2 -CAS <br />Compliance Assurance Section <br />Attention: Mr. Michael Harris <br />4300 Cherry Creek Drive South <br />Denver, CO 80246 -1530 <br />Subject: Monitoring Data for the Schwartzwalder Mine Site and Ralston Creek <br />References: CDPS Permit C0- 0001244 <br />Dear Mr. Harris: <br />With respect to the Schwartzwalder Mine site, enclosed please find ,monthly surface water <br />guality monitoring; results and daily mine water level measurements for the month of July <br />2011. This submittal represents continuation of routine monthly reporting of water monitoring <br />results as previously discussed with you and with the Division of Reclamation, Mining and <br />Safety. <br />If you have any questions, please contact me at 719- 275 -7413 (ext. 202). <br />Sincerely, <br />ohn S. Hamrick <br />Vice President, Mill Operations <br />cc: Daniel Arnold, Esq. (Denver Water) <br />David Bird (DRMS) <br />Edgar Ethington (CDPHE) <br />7 \ <br />4-/r77-300 <br />Cotter Corporation Telephone (719) 275-7413 <br />Canon City Mill, P.O. Box 1750, Canon City, CO 81215 -1750 USA Fax (719) 275 -1669 <br />