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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 O L O RA D O <br />r <br /> <br />Phone: (303) 866-3567 D <br />I V I S I O N O F <br /> <br />FAX: (303) 832-8106 ECLAMATION <br /> MINING <br /> <br /> SAFETY <br />January 16, 2009 <br /> <br />Jerr <br />Nettleton Bill Ritter, Jr. <br />y Governor <br />Twentymile Coal Co. Harris D. Sherman <br />29515 Routt County Road No. 27 Executive Director <br />Oak Creek, CO 80467 Ronald W. Catt <br /> Division Director <br />or <br /> Natural Resource Trustee <br />Re: Foidel Creek Mine, C-82-056, First Quarter 2008 Coal Waste Pile Inspection Report <br />Dear Mr. Nettleton: <br />While cleaning up 2008 year end files I found that Twentymile Coal Company had submitted the <br />Foidel Creek Mine's First Quarter 2008 Coal Waste Pile Inspection Report on April 9, 2008 via e- <br />mail, but had yet to send you our review. The report was prepared by North West Colorado <br />Consultants for Twentymile Coal Company. Compaction tests were conducted on January 7, 2008 at <br />locations 365, 366 and 367 in Area 3. A second test was conducted during the first quarter 2008 on <br />February 20, 2008 at location 368, 369 and 370 in Area 3. A third set of compaction tests were <br />conducted on March 19, 2008. The engineer's report states that, "The materials tested generally met <br />the project specifications for compaction." for the three separate visits to the refuse pile. On March <br />18, NWCC conducted an inspection of the Refuse Disposal Pile (RDA). No problems were noted in <br />the engineer's report with regard to the construction, grading, drainage, or operation of the pile. The <br />RDA was covered with an estimated 6-18 inches of snow at the time of the Engineer's inspection. <br />North West Colorado Consultants, Inc. conducted the inspection and provided their results to TCC. <br />Results of monitoring of 5 piezometers were included in the report. The measured piezometers water <br />levels are consistent with the historical data provided in the report. <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 />Janet inns --- <br />n mental Protection Specialist H <br />(303) 866-3567 <br />C: Jhb\C82056\reports\2008\RDA\l st Q.doc <br />Office of <br />Office of <br />KAi-t 1 -4 aoAh.,,,ri.,.. r)anvar . C:ranrl hinrtinn e mimnvn Active anri Inactive Mine,;