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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 />COLORADO <br />Phone: (303) 866 -3567 <br />D I V I S ION O F <br />RECLAMATION <br />FAX: (303) 832.8106 <br />MINING <br />April 16, 2010 <br />—&— <br />SAF ETY <br />Mr. Roy Kara <br />Seneca Coal Company LLC <br />Bill Ritter, Jr. <br />P.O. Box 670 <br />Govemor <br />Hayden, CO 81639 <br />lames B. Martin <br />Executive Director <br />RE: Seneca Ill-W Mine (Permit C -1982 -057) <br />Technical Revision No. 69 (TR -69) <br />Hydrology Monitoring Plan Reductions <br />Dear Mr. Karo: <br />The Division has reviewed the adequacy response submittal dated April 9, 2010. We find that <br />all of the adequacy concerns identified in our PAR letter of April 8, 2010 were adequately <br />resolved, with the exception of Adequacy Item #5, summarized here below. <br />5. In this item, the Division requested that Wadge and Wolf Creek Wells upgradient of <br />mining [GW- S2W -3W and 3WC (WW3 and WWC3)], not be abandoned at this time but <br />rather be included with the list to suspend monitoring until final bond release. We <br />requested that page 15 -3a -15 be revised accordingly. <br />In the response submittal, we note that the subject wells were removed from the listing <br />of wells to be abandoned, on page 15- 3a -15, as appropriate. However, the subject wells <br />were not added to the list of wells for which monitoring will be suspended, on the same <br />page. Please insert the following into the listing of wells for which monitoring will <br />be suspended, on narrative page 15- 3a -15: <br />GW S2W -3W and 3WC (WW3 and WWC3): Wadge and Wolf Creek <br />Coal Wells upgradient of mining area. <br />Please contys77 <br />Sincerely, <br />Daniel T. M <br />Environmental Protection Specialist <br />C: Denver File (wlenclosure) <br />Office of Office of <br />Mined Land Reclamation Denver • Grand ]unction • Durango Active and Inactive Mines <br />