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hydro Geo, Inc. <br />Surface & Groundwater Hydrology <br />November 10, 2016 WEIQMD <br />c„V�i� <br />4 <br />Mr. Leigh D. Simmons DIVISiC TiI�AI <br />Colorado Division of Reclamation, Mining and Safety Min <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Re: Mountain Coal Company, LLC, West Elk Mine; Permit No. C-1980-007; <br />Technical Revision No. TR -139, Exhibit 71 <br />Dear Mr. Simmons, <br />Enclosed is a copy of Exhibit 71 for Mountain Coal Company's West Elk Mine (CDRMS <br />Permit C-1980-007), TR -139. <br />Please let me know if you have any questions. <br />Regards, <br />�- —,4 � <br />Joe Frank, Principal <br />HydroGeo, Inc. <br />cc: Kathy Welt, Mountain Coal Company <br />Attachment <br />126 Elk Avenue • 11.0. Box 2979 • Crested Butte, Colorado 81224 <br />Phone: (970) 349-6334 • Pax: (970) 349-6149 <br />Email: jfrank(i�,llydroGeo.com <br />