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<br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenl of Natural Resources <br />I J 13 Shcrman St., Rnom 215 <br />Denver, Colorado 802UJ <br />Phone (1031866J567 <br />FA%: (lOJ) 8J2-8106 <br />November 18, 1996 <br />Jeff Gregg <br />Hall-Irwin Construction Co. <br />P.O. Box 519 <br />Greeley, CO 80632 <br />_ _ <br />III IIIIIIIIIIIIIII~F COLORADO <br />999 • <br />~:- <br />~~~' <br />DEPARTMENT OF <br />NATURAL <br />RESOURCES <br />Roy Romer <br />Governor <br />lames 5. Lochhead <br />Executive Director <br />Michael e. Long <br />Division Director <br />RE: Technical Adequacy Review for New 112 Permit Application, <br />M-96-060, Firestien Pit <br />Dear Mr. Gregg, <br />This letter is being written to address technical issues of concern to the <br />Division of Minerals and Geology (DMG) with regard to your new permit <br />application #M-96-060, Firestien Pit. The following questions must be <br />adequately resolved before the Division can make a decision regarding permit <br />approval. <br />A) Final lake area. In Exhibit D it is stated that the final lake <br />area will be equal to 80 acres. This is contradicted in Exhibit E <br />by a statement describing the final total lake area as 56.3 acres. <br />Please clarify this. <br />B) Maximum angle of excavation. During the pre-operational <br />inspection, it was stated that mining will not occur at a 3H:1V <br />angle, but will form more traditional highwalls for a short period <br />of time as topsoil and overburden are stripped and the deposit <br />excavated. This contradicts statements made in the application <br />(Exhibit D, Mining Plan). Please clarify the uncertainty regarding <br />how mining operations will be conducted and commit to a specific <br />maximum slope which will be formed during the course of mining. <br />The final decision date for the application is November 21, 1996. <br />Please contact our office as soon as possible so that these issues can be <br />resolved adequately prior to the decision date. If you have any further <br />questions, I can be contacted at (303) 866-3567. <br />Sincerely, <br />~~~ .~~~' <br />Christina L. Kamnikar <br />Environmental Protection Specialist <br />cc: Carl B. Mount, DMG <br />Pam Acre, Tuttle Applegate, Inc. <br />