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cotter pQ,- <br />Via Email and U.S. Mail <br />December 9, 2010 <br />Colorado Department of Public Health and Environment <br />Water Quality Control Division / WQCD-B2-CAS <br />Compliance Assurance Section <br />Attention: Michael Harris <br />4300 Cherry Creek Drive South <br />Deaver, CO 50246-1530 <br /> <br />4 v' <br />A.-" <br />Subject: October 2010 Surface Water Monitoring Data for Ralston Creek near the <br />Schwartzwalder Mine <br />References: CDPS Permit CO-0001244 <br />Dear Mr. Harris: <br />Enclosed please find associated with the Schwartzwalder Mine site surface water quality <br />monitoring results for the month of October 2010, This submittal represents continuation of <br />routine monthly reporting of water monitoring results as previously discussed with you and with <br />the Division of Reclamation, Mining and Safety. <br />if you have any questions, please contact me at 719-275-7413 (ext. 202).. <br />Sincerely, <br />John Hamrick <br />Vice President, Mill Operations <br />cc: ybavid Bird (DRMS) <br />Edgar Ethington (CDPHE) <br />Daniel Arnold, Esq, (Denver Water) <br />Cotter Corporation <br />Canon City Mill, P.O. Box 1750, Canon City, CO 81215-1750 USA <br />M I t7'73oa <br />Telephone (719) 275-7413 <br />Fax (719) 275-1669