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partial permit area(see Revised Map 3). The well penetrated down to 85 feet, <br />• The Cameron seam, the lowest mineable coal seam, was encountered at about a <br />depth of 69 feet followed by about 3 feet of shale before hitting the Trinidad <br />Sandstone (see Figures 2.04.7(1)-1, and 2.04.7(1)-2). The drillhole went <br />through the upper 8 feet of the Trinidad Sandstone without striking water or a <br />mine void, Drilling was done with an air rotary rig and cuttings were <br />collected every 5 feet. <br />Previously, the mine operator had drilled a well in the Pryor Channel to <br />105 feet before encountering a mine void that contained water. Depth to water <br />was 63 feet when a sample was collected during our field investigation (Table <br />2.04.7(1)-7). Like the waters previously analyzed, this water was also high <br />in alkalinity and total dissolved solids. <br />Recharge to the Trinidad Sandstone aquifer is from precipitation along <br />the outcrops and through infiltration from the alluvial deposits over the <br />sandstone in Pryor Canyon, Santa Clara Creek, Black Hawk Canyon and other <br />lesser tributaries. The water would then flow downdip to the southwest unless <br />hindered by faults and dikes. Sufficient data is not available to determine <br />the role of the faults and dikes that exist in the area with regard to <br />• groundwater flow. No springs or seeps have been observed along the faults, <br />dikes or outcrops of the Trinidad Sandstone. <br />The 1982(2) partial permit area is expected to be a dry pit and no ground <br />water monitoring would be necessary. Infiltration of surface water into the <br />Trinidad Sandstone will be inhibited by the shale bed separating the Cameron <br />seam from the sandstone. <br />JFSA-30 <br />x ~~ 130 <br />7.6 SATO & ASSOCIATES. INC. <br /> <br />