2022-01-13_REVISION - C1981019 - Laserfiche WebLink

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Ic"I 1. History Colorado Zach Trujillo Environmental Protection Specialist Division of Reclamation, Mining, and Safety 1313 Sherman Street, Room 215 Denver, CO 80203 RE: Colowyo Coal Mine (Permit No. C-1981-019) Technical Revision No. 152 (TR-152), TR-152 South Taylor Highwall Mining (HC4 67752) Dear Mr. Trujillo, We appreciate the additional information and documentation you provided our office through email on January 10, 2022 continuing consultation for the above referenced undertaking under Section 106 of the National Historic Preservation Act(NHPA) and its implementing regulations 36 CFR Part 800. The information and documentation provided clarified that the proposed undertaking consists of subsurface mining in an approximately 30 acre area along the northwest extent of the South Taylor Pit. A review of orthoimagery and the provided map show that this location sits in a location previously disturbed by mining activity. Based on the additional information and documentation provided,we find that a finding of no historic properties affected [36 CFR 800.4(d)(1)] is appropriate for the subject undertaking. Should unidentified archaeological resources be discovered in the course of the project,work must be interrupted until the resources have been evaluated in terms of the National Register eligibility criteria(36 CFR 60.4) in consultation with our office pursuant to 36 CFR 800.13. Also, should the consulted-upon scope of the work change,please contact our office for continued consultation under Section 106 of the National Historic Preservation Act. We request being involved in the consultation process with the local government,which as stipulated in 36 CFR 800.3 is required to be notified of the undertaking, and with other consulting parties. Additional information provided by the local government or consulting parties might cause our office to re-evaluate our eligibility and potential effect findings. Please note that our compliance letter does not end the 30-day review period provided to other consulting parties. Thank you for the opportunity to comment. If you have any questions,please contact Matthew Marques, Section 106 Compliance Manager, at(303) 866-4678, or matthew.marquesca,state.co.us. Sincerely, Dr. Holly Kathryn r n Norton Digitally signed by Dr. Holly Kathryn Norton Y Date: 2022.01.12 11:28:48-07'00' Dawn DiPrince State Historic Preservation Officer