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April 29, 2013 <br />Susan L. Burgmaier <br />Environmental Protection Specialist <br />Division of Reclamation, Mining and Safety <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Re: Bowie No. 2 Mine (Permit No. C- 1996 -083), Technical Revision No. 78 (1R -78), Six Gob Vent Boreholes, <br />One Exploration Hole and Associated Access (CHS # 63944) <br />Dear Ms. Burgmaier: <br />Thank you for your correspondence dated April 19, 2013 (received by our office on April 24, 2013) regarding <br />the subject project. <br />Based on our review of the documentation provided including the revised Bowie No. 2 Mine Hydrological <br />Monitoring Location Map (Map 09; downloaded from the DRMS Laserfiche Weblink), it is our opinion that <br />a finding of no historic properties affected [36 CFR 800.4(d)(1)] is appropriate for the proposed undertaking. <br />This determination is based on the negative results of the previous cultural resources inventory within the <br />proposed 1R-78 area of potential effects. <br />Should unidentified archaeological resources be discovered in the course of the projects, work must be interrupted <br />until the resources have been evaluated in terms of the National Register of Historic Places eligibility criteria (36 <br />CFR 60.4) in consultation with our office. <br />Thank you for the opportunity to comment. If we may be of further assistance, please contact Mark Tobias, <br />Section 106 Compliance Manager, at (303) 866 -4674 or mark.tobias(n,state.co.us. <br />Sincerely, <br />14. <br />k i' Edward C. Nichols <br />State Historic Preservation Officer <br />ECN /MAT <br />HISTORY <br />RECEIVED <br />APR 3 0 2013 <br />Division of Reclamation, <br />Mining & Safety <br />History Colorado, 1200 Broadway, Denver, CO 80203 HistoryColorado.org <br />