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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 />June 12, 2009 <br />Brian A. Watterson <br />Geologist, Environmental Group <br />Twentymile Coal Company <br />29515 Routt County Road #27 <br />Oak Creek, Colorado 80467 <br />Re: Foidel Creek Mine (C-82-056) <br />2008 Annual Hydrology Report <br />Dear Mr. Watterson: <br />COLORADO <br />D I V I S I ON OF <br />RECLAMATION <br />MINING <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 has completed a preliminary review of the above-referenced report. Our review is <br />summarized in the attached memo. We appreciate your submittal of this report, as the report was <br />well-organized and clearly presented the hydrologic monitoring data for the mine. Please give <br />further attention to the following items. <br />Page 11, 5th paragraph - Please submit a revised page 11 showing the correct Table <br />numbers for Sites SW-13, SW-14, and SW-15 and the correct units for iron <br />concentrations. <br />2. Summary of Water Quality data Tables 2A, 3A, etc. - These tables show a run date of <br />February 23, 2007. If these pages were actually run in 2009, then you could submit a <br />single page that notes the actual run date (so that you do not have to replace all the <br />pages). If these pages are actually from 2007, then please submit new pages. <br />3. Table 46 -Please submit July quality data for Trout Creek site 301. <br />4. Table 48 - Please submit flow data for Trout Creek Site 1005 for March through June. <br />Please call or email me if you have any questions. <br />Sincerely, <br /> <br />Tom Kaldenbach <br />Environmental Protection Specialist <br />Office of <br />Office of <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines