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<br /> <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmcnt uI Ndmral Resources <br />I il3 Sherman SL, Ruom 215 <br />firnx•cr. CuloraJu 80'_03 <br />Phunc (40318ob-356: <br />FAQ: 130.)1 B'i2 810fi <br />July 1. 1999 <br />Mr. Marlin Lind <br />Poudre Tech Aggregates. Inc. <br />8200 Eas[nun Park Dr. <br />WInd50I. CG 30»0 <br />~,~ _ i <br />\\,"1~~~~~11~~111 OF COLORADO <br />~ ,~ <br />~~ <br />~,~,a <br />Re. Second Technical Adequacy Review of New 112 Application Permit #M-99-021, Stegner Farms Pit <br />Dear Ntr. Lind <br />DIVISION OF <br />MINERALS <br />GEOLOGY <br />R E C L A M A T I O N <br />MINING•SAFETY <br />Bm o~..,n, <br />Goeernn~ <br />Greg E lvalcher <br />Execuuve D~reUOr <br />hachael B. Long <br />Divi,ion Duecbr <br />This letter is being written in response to the additional technical information supplied by your consultant regarding <br />the 112 Application Pemtit #Iv1-99-021, Stegner Farms Pit. on June 2~, 1999. Most of the outstanding concems Here <br />adequately addressed and require no further clarification. It should be pointed out that the design plans for the slum' <br />wall, Taft [-lilt ditch system, and possible groundwater drainage system, are all subject to review by the Division of <br />Minerals and Geology (DMG) and will require technical revisions to the permit to allow their future inclusion in the <br />reclamation plan. The only further clarification needed a[ this time regards the specifications for the pond lining <br />(which appear to be adequate, but are not specifically labeled as the Fond Iwng specifications on the dmvvings <br />submitted). the new plans for the onsire dminage system as they stand now, and the groundwater monitoring plan <br />must be submitted and approved by the Division. Please sutrmit a tna ~ describing the locations and depths of the <br />wells, a monitoring schedule for them, and an explanation of what w:aer level or events would lx considered a <br />trigger to initiate Ehe constmction of a drainage system to mitigate the mounding effect of high groundwater levels. <br />Please respond to this adequacy review prior to your current application decision due date of July 1. 1999, in order <br />for the Dn isien to consider approving this application. Be advised [}a[ this application may be deemed inadequate, <br />and your permit revision may be denied on July I, unless these adequacy review items are addressed to the <br />satisfaction of the Division. if you wish to request an extension in order to address these concerns, please contact the <br />Division in writing or by FAX. If you have any other questions, feel free to contact meat (303) 866-3567. <br />Sincerely, <br />~~~~~ . <br />Christina L. Kamnikar <br />Environmental Protection Specialist <br />Cc: Carl B. Blount. DMG <br />H. Bmce Humphries. DMG <br />Stan Peters. Banks R Gesso <br />Objector list <br />Certited Mailing: Retum Receipt Requested z ~ C~ ~ ~C~'' ~,1 L~ <br /> <br />