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gradient (in respect to l;round water flow) and down-gradient from the well field <br />for determination of the: impact of mining operations on ground water entering <br />and leaving the mine area. In addition to dedicated wells, well field monitoring <br />wells will be completed in the mining area to monitor more site specific <br />activities. Figure 2 illustrates the location of the monitoring wells and mining <br />area. <br />1.1 Dedicated Monitor Wells <br />Dedicated monitoring wells were established six months prior to mining at the <br />immediately down-gradient location to establish baseline data. Other dedicated <br />wells were established up-gradient and (remote) down-gradient at the maxi pad. <br />The following wells ms~ke up the dedicated monitoring wells: <br />Immediately Down-Gradient A uifer <br />NaTec-26-EX-2 Dissolution Surface <br />NaTec-26-89-1 B-Groove <br />NaTec-26-89-2 A-Groove <br />NaTec-26-89-3 Perched <br />Up-Gradient <br />NaTec-26-90-2 <br />NaTec-26-90-3 <br />NaTec-26-90-4 <br />IRI-1 <br />Remote Down-Gradient <br />IRI-7 <br />IRI-6 <br />IRI-4 <br />IRI-5 <br />IRI-8 <br />Dissolution Surface <br />B-Groove <br />A-Groove <br />Perched <br />Dissolution Surface <br />B-Groove <br />A-Groove <br />Perched <br />Perched <br />In addition, Dissolution Surface(1) and B-Groove (1) wells are planned further <br />up-gradient when the e~:tensions for cavities 1, 2, and 3 are drilled to within 100 <br />feet of the south lease t~oundary. Figures 3, 4 and 5 show location of individual <br />wells at each group of wells. Figures 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, <br />and 18 show well completions for each of the dedicated monitoring wells. <br />4 <br />