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AN,COLORADO <br />Division of Reclamation, <br />Mining and Safety <br />Deparment of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />June 10, 2015 <br />George Patterson <br />Energy Fuels Coal, Inc. <br />P.O. Box 459 <br />Florence, CO 81226 <br />Re: Southfield Mine (Permit No. C-1981-014) <br />Technical Revision No. 45 (TR -45) PAR Response Review <br />Dear Mr. Patterson: <br />EFCI's provided responses to the Division's preliminary adequacy letter, dated April 9, 2015, on <br />May 12, 2015, for technical revision No. 45 for the Southfield Mine. EFCI is proposing to revise <br />the diversity standard to bring this reclamation success standard into compliance with Rule <br />4.15.8(2), (5) and (6). EFCI is proposing to revise the diversity standard for warm season grass <br />species on the reclaimed mine area reclamation and on the reclaimed load out. EFCI is also <br />proposing to revise the woody plant density standard on the reclaimed portal area. The Division <br />has reviewed EFCI's responses. This letter will repeat the adequacy concern, and include the <br />resolution of EFCI's response. <br />1. Please use consistent acreage values when referring to the approved reference areas. <br />On page 2.04.10-6 (approved TR -39, revised date December 3, 2013) EFCI reported <br />acreage values for the respective reference areas. <br />Page 4 of the TR45 application letter provided the following acreage values for the <br />respective reference areas: <br />Grassland reference area 2.80 acres 58.6% <br />PPJ (Plot B -Portal area) 0.29 acres 6.0% <br />New Portal Area Reference area (PJ) 1.69 acres 3.54% <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us <br />John W. Hickenlooper, Governor I Mike King, Executive Director I Virginia Brannon, Director <br />Weighted % <br />Grassland (Refuse Pile reference area) <br />2.80 acres <br />52.93% <br />PPJ (Plot B -Portal area) <br />0.42 acres <br />7.94% <br />New Portal Area Reference area (PJ) <br />2.07 acres <br />39.13% <br />Total reference area acres <br />5.29 acres <br />Page 4 of the TR45 application letter provided the following acreage values for the <br />respective reference areas: <br />Grassland reference area 2.80 acres 58.6% <br />PPJ (Plot B -Portal area) 0.29 acres 6.0% <br />New Portal Area Reference area (PJ) 1.69 acres 3.54% <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us <br />John W. Hickenlooper, Governor I Mike King, Executive Director I Virginia Brannon, Director <br />