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STATE OF COLORADO DIVISION OF MINERALS AND GEOLOGY Department of Natural Resources 131 }Sherman 57., Room 215 D I V I S I O N O F Denver, Colorado 80203 Phone: (303) 866-3567 MINERAL S FAY: (303) 83?-8106 & G E O L O G Y November 16, 1999 R E C L A M A T I O N MINING•SAFETY Mr. Don Opheim Centennial Materials gill oven: 1101 Topeka Way cnVer~~r Castle Rock, CO 80104 GregF Wal<her ExeNlive Dveaor nt~chael 8. Long RE: Technical Adequacy Review of Technical Revision 002, Permit No. #M-89-065, Winkler Light Div6wn Director Aggregate Quarry Dear Mr. Opheim, This letter is being written to inform you that the technical revision submitted by your company on October 12, 1999, must be modified into an Amendment application in order to be approved in its curtent form. Technical Revision 002, Permit No. #M-89-065, Winkler Light Aggregate Quarry, has been examined by the Division of Minerals and Geology (DMG) in light of the newest information submitted to us by Tuttle-Applegate. Specifically, the fact that the affected area will be increased by 54.22 acres due to the pushing back of the excavation boundaries. According to Rule l.l(6) of the Construction Materials Rules and Regulations, an Amendment to a permit means "a change in the permit or an application which increases the acreage of the affected land, or which has a significant effect upon the approved or proposed Reclamation Plan." While the changes applied for in your initial Technical Revision application will not result in a change to the perrnit acreage, they will change the affected acreage, and thus an Amendment application is required in order to incorporate the proposed changes. At this time, you may withdraw your application for this Technical Revision and re-submit an application for an Amendment to your permit, with the appropriate public notices and proofs of filing. If an Amendment application is submitted within 30 days, we will be able to apply the $150.00 fee submitted for this Technical Revision to the $1,550.00 fee required to process your Amendment application. Or you may extend the decision date of this Technical Revision application in order to reconsider the changes you wish to make to the curtent permit. It should be understood, however, that if this Revision is not withdrawn or the decision date extended by November 19, 1999, DMG will deny it based upon the above cited Rule. If you have any further questions, please feel free to contact me at (303) 866-3567. Sincerely, ~~, ~ . K~ Christina L. Kamnikar Environmental Protection Specialist Cc: Carl B. Mount, DMG Pam Acre, Tuttle-Applegate Inc.