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18 -Left Ventilation Shaft Installation and 16 -Richt Stabilization Boreholes (TR09-66 and MR11-253) - Z"CC
<br />contracted with .Metcalf Archaeological Consultants, Inc. to complete an intensive Class 1Il cultural resources
<br />survey of the proposed 18 -Left Ventilation Shaft Installation, in conjunction with the work previously discussed. A
<br />separate survey addressed planned disturbance for the 16 -Right Mine Stabilization Boreholes. The surveys covered
<br />lands located in Sections 22 and 23, TSN, R87W. No previously recorded sites, isolated finds, or buried cultural
<br />materials were found within the surveyed area. Survey results are presented in the Confidential Appendix., in
<br />Exhibit 6S.
<br />Sage Creek/Twentymile Overland Conveyor (MR11-254) - TC contracted with Metcalf Archaeological
<br />Consultants to complete an intensive Class III cultural resources survey of a corridor for a proposed overland
<br />conveyor, linking the Sage Creek Mine with the Twentymile Coal Handling Facilities. The survey covered portions
<br />of Section 13, T5N, R87W, and Sections 18, 19, 20, 21, 28, 29; and 32, TSN, R86W, and incorporated a number of
<br />areas that had been previously surveyed. The survey resulted in recordation of one historic road segment, five
<br />previously recorded sites were revisited, and three isolated finds were documented. Tile Historic road segment is
<br />recommended as "non -eligible", due to historic alteration. One previously recorded site was reevaluated, and the
<br />portion within the surveyed corridor is recommended as "non-contributing'. Construction limits or testing are
<br />recommended for a second previously recorded site. Survey results are presented in the Confidential Appendix, in
<br />Exhibit 6T, Overland Conveyor (MR11-254) Cultural Resource Information, dated June 2011.
<br />15 -Left Rock -Dust Installation and 16 -Left Utility Borehole, and SMN Borehole and Pipelines (TR11-77,
<br />TR11-78, MR14-283, MR15-288) -_TC contracted with Metcalf Archaeological Consultants, Inc. to complete
<br />intensive Class III cultural resources surveys of the proposed 15LT Ventilation Installation, 16LT Utility Borehole,
<br />and 5MN Borehole and Pipelines. The surveys covered lands located in Sections 17, T5N, R86W, and Sections 23,
<br />24, 25, 26 and 27,T5N, R87W. No previously recorded sites, isolated finds, or buried cultural materials were found
<br />within the surveyed area. Survey results are presented in the Confidential Appendix, in Exhibit 6T.
<br />2011-2012 WMD Exploration Program (NIR11-256) =TC contracted with Metcalf Archaeological Consultants,
<br />Inc. to complete intensive Class III cultural resources surveys of the 7 potential exploration drillholes to be
<br />completed in the WM.D. The surveys covered the planned drill -pads located in Sections 26, 27, 34, and 35, T5N,
<br />R87W. Some of the sites had been covered by previous cultural. resource surveys. No previously recorded sites,
<br />isolated finds, or buried cultural materials were found within the surveyed areas. Survey results are presented in the
<br />Confidential Appendix, in Exhibit 6L.
<br />2012 WMD Exploration Program (MR12-261) -:TC contracted with Metcalf Archaeological Consultants, Inc. to
<br />complete intensive Class. 1H cultural resources surveys of the 5 potential exploration drillholes to be completed in
<br />the WMD. The surveys covered the planned drill -pads located in Section 36, T5N, R87W. No previously recorded
<br />sites, isolated finds, or buried cultural materials were found within the surveyed areas. Survey results are presented
<br />in the Confidential Appendix, in Exhibit 6L.
<br />EMD Water Monitoring Wells. (NI 13-267) - TC contracted with Metcalf Archaeological Consultants, Inc. to
<br />complete intensive Class ITT cultural resources surveys of 2 water monitoring well sites and the associated drill -pads
<br />and to be completed in the EMD. The surveys covered the planned drill -pads and access from existing ranch roads
<br />located in Section 9, T5N, R86W. No previously recorded sites, isolated finds, or buried cultural materials were
<br />found within the surveyed areas. Survey results are presented in the Confidential Appendix, in Exhibit 6L.
<br />WCR Coal Coreholes (MIR13-269, MR13-272« MR14-275, MR14-276, MR14-277, MR14-278, MR14-280,
<br />MR15-287) - TC contracted with Metcalf Archaeological Consultants, Inc. to complete intensive Class III cultural
<br />resources surveys of 46 potential coreholes and offset drilling zones to be completed in the EMD and N'MD. The
<br />surveys covered the planned drill -pads, drill -zones, and associated access located in Sections 10, 11, 14, 15,.16, 17,
<br />21. 22, 23, and 27, T5N, R86W. Survey results are presented in the Confidential Appendix, in Exhibit 6L.
<br />RULE 2.04.5 - GENERAL DESCRIPTION OF HYDROLOGY AND GEOLOGY
<br />Each application shall contain a description and map, prepared in accordance with 2.10, of the geolonv. surface and
<br />ground water systems, including water quality and quantity. of all lands within the proposed permit area, the
<br />adjacent area, and the general area. The description shall include information on. the characteristics of all surface
<br />MR15-287 2.04-9.1 09/08/15
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