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,S ENEC <br />Coal Company <br />July 31, 2012 <br />Ms. Susan Burgmaier <br />Division of Reclamation, Mining and Safety <br />131 Sherman Street, Room 215 <br />Denver, CO 80203 <br />RE: Yoast Mine Permit No. C -94 -082 <br />Minor Revision No. (MR -38), Surge Structure Construction <br />Ms. Burgmaier, <br />Seneca Coal Company (SCC) is submitting Minor Revision 38, Surge Structure Construction, to allow the <br />diameter of the dewatering pipes to vary from 6" to 18" based on structure location. This will result in <br />increased channel stability during high- intensity storm events. <br />If there are any comments or questions, please contact me at (970)276 -5217. <br />enclosure(s) <br />Roy Karo <br />Reclamation Manager <br />cc: Foster Kirby (OSMRE) <br />Jennifer Maiolo (BLM) <br />RECEIVED Seneca Coal Company <br />AUG 0 3 LUIZ <br />©ivisi ©e of Reclamation, <br />Mining and Safety <br />Seneca Coal Company • P.O. Box 670 • Hayden, Colorado 81639 <br />Telephone (970) 276 -5217 • FAX (970) 276 -5222 <br />