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GP7 and GMP-1 Which are completed in the HI aquifer, and backfill ~~ <br />wells GF5 and GF7, were used in the development c~f this map. Wells <br />i <br />GF5 and GF7 are completed in the backfill in thy: area where the H <br />and I coal seams we i e mined. Flow in the HI aquifer has been <br />changed mainly at the A, B, C, D and E pits. The overall flow <br />regime in this aquifer is close to that obse:-ved in 1990 (see <br />Hydro-Engineering, 1991). The ground-water gre~dient between the <br />backfill aquifer an3 the unmined HI aquifez downgradient is <br />relatively flat as it is in the QR backfill. '!.'he main change in <br />the HI contours is near the active A pit in the Pyeatt drainage. <br />The Third White Sandstone aquifer water-le~~el elevations are <br />presented on Map No. 2-3. Wells GB2, GC2, GE3, P8, 81-03a and GP9 <br />were used in the development of this map. Flow direction in the <br />Third White Sandstone is mainly toward the north, as expected. <br />Additional data from ,wells GE3 and 81-03a indicate that the Third <br />White Sandstone water flows toward the west between these two wells <br />and probably toward a dishcarge to an adjacent aquifer or to the <br />surface. <br />.J <br />2-16 <br />