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EASTERN MINING DISTRICT <br />• A portion of the Eastem Mining district has been surveyed and those records are available at the <br />local Bureau of land Management office located in Craig, Colorado. The areas of new surface <br />disturbance (i.e. new facilities) will be surveyed as per the regulations. Once completed, this <br />information will be forwarded to the Division. Also, if areas that have not been surveyed are <br />undermined and subsided and repair work is required, the area will be surveyed prior to initiating <br />the repair. The results of the survey will be forwarded to the Division and the Division, through <br />SHPO, can comment on the survey and advise if any additional mitigation is necessary. <br />Twentymile contracted Metcalf Archaeological Consultants, Inc. to conduct an investigation of <br />site SR T18S. The report for this investigation can be found in Exhibit 6D. This is a confidential <br />exhibit and should be handled accordingly. <br />Finally, site specific surveys were conducted for the ventilation shaft and dewatering pond areas. <br />The reports resulting from the surveys can be found in Exhibits 6E and 6F, respectively. Please <br />note these are confidential exhibits and should be handled accordingly. <br />Phase II Seismic Survey and Mine Water Return Line <br />Four seismic lines and a mine water return line will be constructed by TCC in the fourth quarter <br />of 1996 or the first quarter of 1997. A Class III Cultural Resource Inventory was conducted by <br />Metcalf Archaeological Consultants, Inc. for the proposed lines. The report is presented in <br />Exhibit 6H of the Confidential Appendix. <br />EMD (Panels 2 Right through 6 Right) (PR 97-04) <br />No new surface facilities are required for mining the remaining reserves in the Eastern Mining <br />District. <br />NMD (Panels 12 Right through 16 Right) (PR 99-OS) <br />No new surface facilities are planned for the Northern Mining District. The site cultural resources <br />site form for this area is found in Exhibit 61. <br />NMD (Panels 12 Right through 16 Right) (7'R 00-37) <br />The Northern Mining District will require the installation of a Power Borehole, and this facility <br />will added through this technical revision. The site forms for sites SRT157 and SRT162, along <br />with Metcalf Archaeological Consultants, Inc. recommendations, are found in Exhibit 6l, <br />Colorado Cultural Resource Survey for Sites SRT157 and 162. The location of the borehole is the <br />site of an exploration hole (NOI X-99-205-06, hole PDH-9906), and the survey done for that is <br />presented in Exhibit 6K, PDH-9906 Colorado Cultural Resource Survey. Please note these are <br />confidential exhibits and should be handled accordingly. <br />RULE 2.04.5 - GENERAL DESCRIP77ON OF HYDROLOGY AND GEOLOGY <br />• <br />TR00-37 APPROVED JUN L 4 2000 <br />2.04-9 OS/l5/00 <br />include information on the characteristics of all surface and Around waters within the Qeneral area, <br />