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RULE 2 PERMITS <br /> <br />Rule 2 Permits 2.04-7 Revision Date: 6/4/25 <br /> Revision No.: MR-264 <br /> <br />The report covers the cultural resources inventory of a potential coal mining project by <br />Consolidation Coal Company in the Danforth Hills south of Colowyo. The inventory covered <br />much of the area included in the 1991 permit area expansion. A copy of the pertinent sections of <br />the report can be found in Exhibit 5. Additional sites noted in this report are included on Map 16B, <br />Historical and Archeological sites. <br /> <br />In October, 1988, the report titled “Cultural Resource Inventory of a Proposed Lease Addition and <br />A-Conveyor Corridor at the Colowyo Mine, Moffat County, Colorado” by Paul R. Nickens and <br />Associates was completed. This report covered the remainder of the 1991 permit area expansion. <br />A copy of the report is included in Exhibit 5. <br /> <br />In September 1991, a report titled “An Archaeological Evaluation of 5MF402, Moffat County, <br />Colorado, September 1991” was completed by Alpine Archaeological Consultants, Inc. A copy of <br />the report is included in Exhibit 5. 5MF402 had been recommended for testing by the 1975 Lischka <br />report. No significant findings were noted. <br /> <br />On October 2, 1996 Metcalf Archaeological Consultants, Inc. conducted additional cultural <br />resources inventory within the Permit area for an exploration drilling program and possible <br />conveyor system. A copy of the report is included in Exhibit 5. <br /> <br />2.04.5 General Description of Hydrology and Geology <br /> <br />This application provides a detailed description and maps, as necessary, of geology, hydrology, <br />and ground and surface water quality and quantity of all lands within the permit area, the adjacent <br />area, and the general area, as defined in Rule 1.04 of the Coal Regulations of the Colorado Mined <br />Land Reclamation Board. <br /> <br />Since 1973, detailed data and information have been collected, compiled and analyzed by Colowyo <br />on the geology and hydrology of all lands within the permit area, the adjacent area and the general <br />area. This information is a result of high density exploration drilling, field investigations, geologic <br />mapping, aerial photography, topographic mapping, data from several investigations by <br />independent consultants, and monitoring data from on-site and the Craig and Meeker <br />climatological stations. <br /> <br />Colowyo has maintained close cooperation with many government agencies and has invited and <br />permitted numerous agencies to conduct investigations and experiments within and adjacent to the <br />mining area. Such investigations and experiments have been conducted by the Water Resources <br />and the Conservation Divisions of the U.S. Geological Survey, Colorado State University, Bureau <br />of Reclamation and the Bureau of Land Management. A complete list of all government agencies <br />and consultants is provided in the discussion under Section 2.03.3. <br /> <br />The “general area” with respect to hydrology is defined by Rule 1.04, as that topographic basin <br />that surrounds the area to be mined during the life of the operation. This area includes several <br />watersheds and a groundwater zone, which will allow assessment of the probable cumulative <br />impacts of the quantity and quality of the surface and groundwater system.