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Memorandum <br />To: Eagle Mine Complex permit file, C-1981-044 <br />CC: Dan Hernandez <br />From: Janet Binns <br />Date: 12/10/ 3 <br />Re: Permanen <br />RAG-EC responded to DMG's letter dated December 4, 2003, regazding permanent portal seals. DMG had <br />requested verification that RAG-EC had sealed the Mine No. 5 portals and Mine SA portals in accordance <br />with Regulations of the Colorado Mined Land Reclamation Board for Coal Mining Rule 4.07.3. Mr. <br />Lincoln Derick of RAG-EC confirmed that the seals in the Portal No. SA portals were constructed in <br />accordance with the MSHA approved plan dated October 24, 2002, which also comply with the sealing <br />requirements of DMG Rule 4.07.3 and the approved sealing plan found in the DMG Eagle Mine Complex <br />permit. The Mine No. 5 Portals were sealed in accordance with the MSHA approved plan dated July 24, <br />1997. Mr. Derick confirmed that the seals at the Mine No. 5 portals also conform to the requirements in <br />Rule 4.07.3. This response is acceptable. <br />Neither Mine No. 5 portals nor Mine No. SA portals have been backfilled over the portal entries to final <br />approved configuration. <br />