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PERMIT #: M-2010-058 <br />INSPECTOR'S INITIALS: DMC <br />INSPECTION DATE: February 10, 2011 <br />OBSERVATIONS <br />This preoperation inspection was conducted by the Division of Reclamation, Mining and Safety (Division) in response to <br />the Construction Material Regular (112) Operation Reclamation Permit application submitted by Lafarge West, Inc. Sean <br />Frisch, representing the applicant, was present during the inspection. Although the weather was clear during the <br />inspection, there was significant snow cover on the ground. The applicant has included photographs in their application <br />package that adequately document the premining vegetation conditions at the site. Photographs taken at the site during <br />this inspection are included at the end of this report. <br />The Cerise Mine site is located approximately 2 miles northeast of Carbondale, and will be accessed from CR 103 after an <br />access road crossing Crystal Creek has been constructed. <br />The current site use is pastureland, which will also be the post mining land use. The permit area will include 65.5 acres, <br />of which 57 acres are expected to be mined. The unmined acreage will serve as buffer zones and topsoil/overburden <br />stockpile areas. It is expected that sufficient quantities of overburden material will be available on site for completing <br />reclamation, and that enough topsoil will be salvaged in order to be distributed over the disturbed areas during reclamation <br />at a depth of no less than six inches. The mined aggregate materials will be processed onsite. The static ground water <br />level at the site is estimated to be 90-100 feet below the ground surface. All excavation shall be limited to a depth of two <br />feet above the groundwater level. <br />This inspection confirmed that site conditions were accurately portrayed in the application package submitted by Lafarge <br />West, Inc. No additional concerns were noted during this inspection. The Division has calculated an adequate Financial <br />Warranty estimate (enclosed) for this site. <br />No problems or additional areas of concern were noted during this inspection <br />Inspection Contact Address <br />Sean Frisch <br />Lafarge West, Inc. <br />10170 Church Ranch Way, Suite 200 <br />Westminster, CO <br />80021 <br />Enclosure: Financial Warranty estimate <br />CC: Pam Hora <br />Tetra Tech <br />1900 South Sunset Street, Suite IF <br />Longmont, CO <br />80501 <br />Page 2 of 2