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- =` WESTERN <br />FUELS <br />ASSOCIATION <br />INC. <br />` = The National <br />Fuel Supply <br />Coope)ative <br />September 10, 2013 <br />RECEIVED <br />SEP 16 2013 <br />MINING NG AND SAFETY <br />Sent Via U.S. Mail & Email <br />Ms. Marcia Talvitie <br />Environmental Protection Specialist <br />Colorado Division of Reclamation, Mining and Safety <br />Durango Field Office <br />691 CR 233, Suite A -2 <br />Durango, Colorado 61301 <br />Subject: Coal Exploration Drill Hole or Well Abandonment Report <br />Dewatering Well DW12 -1 (CDWR Permit #77131) <br />Dear Ms. Talvitie: <br />Please find attached the Coal Exploration Drill Hole or Well Abandonment Report for dewatering <br />well DW12 -1, which was drilled as outlined in MR -07 (Section 2.05.3(3) pg. 1), as well as copies of <br />Form GWS -09: Well Abandonment Report for permitted wells #77131, #77132 and #77133. <br />Dewatering well DW12 -1 was drilled to a total depth of 70.5 feet at which the original floor of the <br />old Peabody Nucla Mine was encountered. Dewatering well DW12 -1 was a dry hole and not of use <br />as a dewatering well for the old Peabody Nucla Mine backfill. Therefore, the hole was plugged as <br />described on the attached forms on August 22, 2013. On September 4, 2013, the top 2.5 feet of <br />the 10 inch surface casing (installed and cemented to a depth of 20 feet) was cut off. <br />Dewatering well DW12 -1 was drilled after the topsoil had been removed. The well site will be used <br />for overburden stockpiling and the surface will be reclaimed with the final reclamation of the pit. <br />Final placement of the topsoil will result in the top of the 10 inch casing being at a depth of about 4 <br />feet below the reclaimed surface. <br />The results of drilling dewatering well DW12 -1 indicate that the proposed and permitted wells <br />DW12 -2 (CDWR #77132) and DW12 -3 (CDWR #77133) would likewise be dry. Therefore, <br />proposed dewatering wells DW12 -2 and DW12 -3 will not be drilled. <br />If you have any questions, comments or concerns, please contact me at 303 - 255 -5803. <br />Sincerely, <br />z;st;5� <br />Jason S. Storey, P.E. <br />Senior Permit/Compliance Engineer <br />Cc: Sandra Brown, DRMS <br />Douglas White, WFA, via email <br />Rick Wolney, NHM, via email <br />Ross Gubka, NHM via email <br />12050 N. Pecos Street, Suite 100 • Westminster, CO 80234 • Telephone (303) 255 -5800 • Fax (303) 255 -5809 <br />