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R � � <br />HISTORY <br />June 30, 2016 <br />"tach T. "ITnijillo <br />FrivL'roinmental Protection Specialist <br />Division of Reclamation, Mining and SafetN <br />1313 Sherman St., Room 213 <br />Dem er, Colorado 80203 <br />r^� <br />D0610N <br />Re: Colovvvo Coal Mine (Permit No. C-1981-019) Minor Revision No. I D-4 (SIR -15 4) Collom Geotechnical <br />Drilling Program (I IC 467752) <br />Thank Vou for your correspondence dated .) une 6, 2016 (received by our office on June Ill, 2016) regarding the <br />above referenced minor revision. <br />_after review of the documentation provided includtlng the proposed geotechnical borehole locations sho',vn on <br />the 1MR-1D-O Exhibit 27, Item 1 map, it is our opinion that a finding of no historic properties affected is <br />appropriate for the proposed undertaking pursuant to 36 C1'R 800.4(d)(1). Supporting access roads and <br />staging, if needed, should hke-,vise avoid ani' historic properties. <br />Should unidentified archaeololrical resources be discovered in the course of the undertaking, work must be <br />interrupted until the resources have been evaluated in term, of the National Register eligibility criteria (36 CTR <br />60.-1) in consultation with our office pursuant to 36 CFR 8()0.13. Also, should the consulted -upon scope of the <br />work change please contact our office for continued consultation under Section 106 of the National I Iistoric <br />Presen-ation _pct. <br />We request being involved in the consultation process with the local government, which as stipulated in 36 CI'R <br />800.3 is required to be notified of the undertaking, and with other consulting parties. Additional information <br />provided bt the local government or consulting parties might cause our office to re-evaluate our eligibility and <br />potential effect findings. Please note that our compliance letter does not end the 3(( day review period provided <br />to other consulting parties. <br />Thank you for the opportunity to comment. If \ve may be of further assistance, please contact Mark Tobias, <br />Section 106 Compliance :Manager, at (303) 866-4674 or mark. tobias a state.co.us. <br />Sincerer-, <br />4-aa-e- <br />47­S__tCVC Turner, AIA <br />State Historic Preservation Officer <br />ST/nit <br />