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F <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman SL, Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832.8106 <br />August 19, 2002 <br />DIVISION O F <br />MINERALS <br />GEOLOGY <br />RECLAMATION <br />MINING•SAFET7 <br />Mr. Stephan Brancucci colt/°no;: <br />Golden West Farms <br />Greg E. Walther <br />12$1 WC Rd. 27 Executive Director <br />Brighton, C0 80601 Ronald W. Cottony <br />Acting Division Director <br />RE :Status of Groundwater Investigation, Possible Impacts From Dry Mining & <br />De-watering Activities at The Platte Valley Pit, Permit No. M-89-I"LO <br />Class: Inspection; Type-Seq.: 5/30/02lnspection <br />Dear Mc Brancucci: <br />As you may know, the Division of Minerals & Geology (Division) and the Office of the State Engineer (OSE) <br />have been investigating written complaints of possible adverse impacts to groundwater users in the Brighton <br />area resulting from dry mining and de-watering activities at the Platte Valley Pit. The OSE has regulatory <br />authority for administration of water rights, determinations of material injury to surface water and groundwater <br />users, and determinations of whether Aggregate Industries is in compliance with Colorado statutes regarding <br />water supply, use, and management. Please see attached copy of July 8, 2002 correspondence from the OSE <br />regarding the status of their investigation. Also, I have forwarded a copy of the July 24, 2002 groundwater <br />modeling study prepazed by Martin and Wood Water Consultants, Inc. to Kevin Rein of the OSE for review. <br />For further information regarding these concerns, please contact Kevin Rein at (303) 866-3581. <br />The Division's role in this investigation has been to determine whether Aggregate Industries is in compliance <br />with the approved mining and reclamation plan and Colorado statutes regazding the extraction of construction <br />materials- W e-]lave-determined-that~.ggregate-Irldust~ies has-e~tcavated a larger ~cieage than-currently allowed <br />under the terms of their mining and reclamation permit. Our Division is taking appropriate actions [o ensure <br />that the site is adequately bonded and that this concern is resolved in a timely manner. Please contact either me <br />or Cazl Mount at (303) 866-3567 if you have further questions regarding mining disturbance. <br />We appreciate your cooperation in this investigation and will keep you apprised of any further developments. <br />Si/nc~erely, <br />r/~~E~2~/9aa~+'/ <br />Thomas A. Schreiner <br />Cc: Kevin Rein, OSE <br />Jamie Gaboriau, AI <br />Tom Cech, CCWCD <br />Joe Sasaki, Sasaki Farms <br />Tom & Helen Thorpe <br />Attachments <br />