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5TATE C COLOMDO <br /> DIVISION OF MINERALS AND GEOLOGY <br /> D cnl of Ural Re+nurses <br /> 131 1 Sherman S1 , Room 215 <br /> Den,cr.enccr,Colora <br /> do 80203 <br /> Phone:I 00 t)866-351,7 <br /> FAX:(001)H t--H I06 <br /> DEPARTMENT OF <br /> September 15, 1997 NATURAL <br /> RESOURCES <br /> Roy Romer <br /> Gooernor <br /> Mr. David Plummer <br /> lames S.Lochhead <br /> Western Mobile Boulder, Inc. Ftecurive Director <br /> P.O. Box 18570 Michael B.Long <br /> Boulder, CO 80308 Division Director <br /> RE: Deepe Farm Pit, Technical Revision Approval, Permit No. M-81-302, Revision No. TR-6 <br /> Dear Mr. Plummer: <br /> On September 15, 1997 the Division of Minerals and Geology approved the Technical Revision application submitted to <br /> the Division on May 02, 1997, addressing the following: <br /> Modify the side slopes and final elevations of a portion of the berm along the southeast side of the Deepe Farm Pit. <br /> The terms of the Technical Revision No. 6 approved by the Division are hereby incorporated into Permit No. M-81-302. <br /> The conditions of the Division approval are noted below. Please note that all other provisions of Permit No. M-81-302 <br /> remain in full force and effect. <br /> Stipulation No. Description <br /> 5-1 The operator will submit a construction report, including documentation of any test results, within 60 <br /> day of the completion of the earthwork on the Deepe Farm Pit perimeter levee. The report shall detail <br /> how the specifications approved in technical revision TR-06 were achieved. The operator will also <br /> provide a certification from the construction quality assurance engineer that the levee modifications were <br /> completed in accordance with the design approved in the technical revision. <br /> 5-2 All areas on the out slopes of the levee must be protected by the establishment of vegetation or the <br /> placement of riprap. If riprap is to be utilized, the rock must be durable and non-slaking. <br /> If you have any questions, please contact me. <br /> Sincerely, <br /> 'Z �1� <br /> Gregg R. Squire <br /> Environmental Protection Specialist <br /> cc: Mike Hart, Hart Environmental <br /> Jeffrey S. Lipton, University of Colorado at Boulder <br /> M.I OS S�P.N.N R E N P\.M R V 0.ID 2.G R S <br />