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PR-10 adds acreage to the PAP that was studied under the <br /> Environmental Assessment and Technical Resources Reports performed <br /> jointly by the Bureau of Land Management and the Office of Surface <br /> Mining, Reclamation and Enforcement for the Dunn Ranch Lease by <br /> Application area (coal lease COC-78825). Please see Appendix 15; Dunn <br /> Ranch LBA Area Environmental Assessment, Section 3.4.3, Appendix 16; <br /> Technical Resources Report, Section 2.4, and Appendix 17; Finding of No <br /> Significant Impact, Section 3, for descriptions and conclusions <br /> concerning cultural and historic resource information for the parcels <br /> added by PR-10. These documents often refer to E.A. DOI-BLM-CO- <br /> SO 10-2011-0074-EA which can be located in Appendix 18. <br /> Dunn Ranch LBA E.A. (King II Appendix 15, Section 3.3): "Cultural resources <br /> (Table 3-6) could be impacted by subsidence as they are located above <br /> proposed panels. However, potential subsidence is expected to occur very <br /> infrequently at King II due to a variety of factors, such as the stability of the <br /> Cliff House sandstone (Section 3.4.6). As noted in Section 3.4.6, the <br /> subsidence that has occurred has been less than 1 foot in depth, and 0.25 to <br /> 0.5 ft in width. In the existing federal permit and lease areas, no effects to <br /> historic properties have been observed due to subsidence. Based on known <br /> occurrences and frequency of subsidence in the existing mine area, no subsidence <br /> impacts to NRHP-eligible orpotentially eligible sites are anticipated." <br /> GCC Energy, LLC King II Mine <br /> Section 2.04.4 <br /> Page 2 June 12, 2020 (PR-10) <br />