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grounds and critical sage grouse habitat within and adjacent to the permit area. Sage grouse <br />critical habitat is located outside of the disturbed area. <br />Cultural and Historical Resources <br />Cultural and historic resources within the permit area include four historic sites and one <br />prehistoric or protohistoric site. Two of the historic sites are undistinguished homesteads with <br />no important architectural features and which are not associated with persons important in <br />history. Another historic site is an uninhabited cabin with a corral. The Colorado State <br />Historical Preservation Officer determined that this is an undistinguished structure with no <br />important architectural and with no associations with persons important in history. The fourth <br />historic site, the Foidel Canyon Schoolhouse, is listed in the National Register of Historic Places, <br />and is located in the general area of the main facilities along Foidel Creek. It will not be <br />undermined or subsided and is protected appropriately. The prehistoric site (5RT345) is a rock <br />art site located on the outcrop of the Twentymile Sandstone directly north of the main mine <br />facility area. Mining approved under PR-02 (Southwest Mining District) undermined and <br />subsided 5RT345. Stipulation No. 33 was attached to the PR-02 approval and Twentymile Coal <br />Company took appropriate measures, as determined by the United States Bureau of Land <br />Management (BLM), prior to undermining this site. Mitigation measures required by the BLM <br />involved extensive research and documentation of this site. The site has since been destroyed by <br />subsidence and subsequent rockfall. <br />Land Uses <br />Pre-mining and post-mining land uses within the permit area are pastureland and rangeland. <br />Some of the surface was previously disturbed by surface mining methods under Mine No. 1, <br />Mine No. 2, and Eckman Park Mine (C-81-071) and Energy Mine No. 3 (C-84-062). <br />Foidel Creek Mine 11 June 4, 2010