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HYDROLOGY DESCRIPTION - RULE 2.04.7 • The Bear Coal Company is currently working through the Colorado State Engineer to obtain information on the presence of any domestic wells in the area and adjacent to the proposed surface facility area. This information, including depth to water and average yield, will be submitted shortly to the Division. Three (3) domestic wells are located in the area to be used 6y the surface facilities of the Bear No. 3 operation. The Bear Coal Company plans to locate only surface facilities along the North Fork of the Gunnison River. No subsurface disturbance, other than foundation work for buildings and structures, will be necessary in this area. The actual mining will take place above the valley floor; therefore, the Bear Coal Company does not expect that there will be any disturbance to the alluvial or groundwater conditions in the valley as a result of mining or surface facility placement. • The Bear Coal Company does realize the importance pf the North Fork of the Gunnison River and the associated alluvial material. In order to quantify the belief that no subsurface degradation of water quality will occur in the alluvium as a result of the Bear No. 3 surface facilities, installation of groundwater monitoring wells will be undertaken. On February 13, 1982, the Sear Coal Company has installed three groundwater monitoring wells: I) Northeast corner of the permit area near the proposed transformer location. 2) Southeast portion of the permit area near the office complex. 3) Southwest portion of 'the surface facilities area due south of the proposed sediment pond location. A fourth monitoring well, as proposed by the Division, will not be • installed because of access limitations to the proposed site and ownership jurisdictional problems. Bear Coal Company believes that the -32-