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of five to ten feet, possibly reflecting seasonal influences. A dramatic rise of 32 feet was <br />observed from September of 1992 to October of 1993, followed by a significant decline in <br />1994. Water levels increased significantly in 1996 and 1997. <br />GD-3 is approximately 1200 feet upgradient of well GD-2. It is topographically <br />higher and closer to D pit and is completed in backfill. In 1997, water levels continued to <br />gradually increase with time in well GD-3. The increase in well GD-3 has been more <br />uniform and not as rapid as in well GD-2. The unconfined backfill aquifer's storage <br />parameter would be much larger than the storage coefficient for the confined aquifer at GD- <br />2 and, therefore, dampen responses. Water levels remain fairiy stable with a very gradual <br />rise over the last three years and reflect natural variations at well GP-9 showing that high <br />precipitation years do not greatly affect this aquifer at well GP-9. A similar response was <br />observed in the other 3rd White Sandstone well, GC-2, that must be responding to natural <br />variations. <br />The GE wells (GE-1, GE-2, GE-3) are near the northwest corner of the PA. They <br />are completed in the QR, Hi and 2nd and 3rd White Sandstone aquifers, respectively. <br />Water levels for these wells are presented in Figures A-6 and A-7. Wells GE-1 and GE-2 <br />continue to gradually recover since 1993 while, overall, GE-3 has slightly increased over <br />the last three years. The water-level rise in wells GE-1 and GE-2 is likely due to recovery <br />from previous mining in the area. Figure A-7 also presents water levels for wells 81-03A <br />and GLUX-1, which are completed in the 3rd and 1st White Sandstone aquifers, <br />respectively. The 1997 water levels in well 81-03A have been fairly steady. Water levels <br />have been gradually declining over the last three years in well GLUX-1. <br /> <br />2-5 <br />