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• 2A4.S General Description Of Hvdroloev And Geology This application provides a detailed description and maps, as necessary, of geology, hydrology, and ground and surface water quality and quantity of all lands within the proposed permit area, the adjacent area, and the general area, as defined in Section 104 (DEFINITIONS) of the Coal Regulations of the Colorado Mined Land Reclamation Board. Since 1973, detailed data and information have been collected, compiled and analyzed by Colowyo on the geology and hydrology of all lands within the proposed permit area, the adjacent area and the general area. This information is a result of high density exploration drilling, field investigations, geologic mapping, aerial photography, topographic mapping, data from several investigations by independent consultants, and monitoring data from on- site and the Craig and Meeker climatological stations. Colowyo has maintained close cooperation with many government agencies and has im~ited and permitted numerous agencies to conduct investigations and experiments within and adjacent to the mining area. Such investigations and experiments have been conducted by the Water Resources and the Conservation Divisions of the U.S. Geological Survey, Colorado State University, Bureau of Reclamation and the Bureau of Land Management. A complete list of all government agencies and consultants is provided in the discussion under Section 2.03.3. The "general area" with respect to hydrology is defined by Section 1.04, as that topographic • basin that surrounds the area to be mined during the life of the operation. This area includes several watersheds and a groundwater zone, which will allow assessment of the probable cumulative impacts of the quantity and quality of the surface and groundwater system. Both the "adjacent area" and the "permit area", as defined in Section 1.04, lie within the "general area" as previously described. 2.04.5-1