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STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />October 1, 2008 <br />Jerry Nettleton <br />Twentymile Coal Co. <br />29515 Routt County Road No. 27 <br />Oak Creek, CO 80467 <br />Re: Foidel Creek Mine, C-82-056, Second Quarter 2008 Coal Waste Pile Inspection Report <br />Dear Mr. Nettleton: <br />COLORADO <br />D IV IS I ON OF <br />RECLAMATION <br />MINING <br />- Sz- <br />SAFETY <br />Bill Ritter, Jr. <br />Governor <br />Harris D. Sherman <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />The Division received Twentymile Coal Company's (TCC) Second Quarter 2007 Coal Waste Pile <br />Inspection Report on July 13, 2008 via e-mail. The report was prepared by North West Colorado <br />Consultants for Twentymile Coal Company. Compaction tests were conducted on April 15, 2008 at <br />locations 374, 375 and 376 in Area 3. A second test during the second quarter 2008 was conducted on <br />May 21, 2008 at location 377, 378 and 379 in Area 3. No problems were noted in the engineer's <br />report with regard to the construction, grading, drainage, or operation of the pile. The Engineer visited <br />the site on June 30, 2008. <br />North West Colorado Consultants, Inc. conducted the inspection and provided their results to TCC. <br />Results of monitoring of 4 piezometers was included in the report. Piezometer 5MW casing has been <br />damaged. TCC reports that there may be dirt down in the casing. This piezometers needs repair prior <br />to winter months. TCC needs to investigate and report the cause of the damage to this well. TCC <br />provided Nuclear Density Test results in the report as well. <br />This report complies with Rules 4.10.2 and 4.09.1(11)(a), and Rule 4.09.1(11)(b). <br />Sincerely, <br />;ntal Protection Specialist U <br />3567 <br />C:\jhb\C82056\reports\2008\2nd Q.doc <br />Office of Office of <br />Mined I and Reclamatinn Denver • Grand Junction • Duraneo Active and Inactive Mines