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2.0 GROiJND-WATER LEVELS <br />`• Water level or water presswe have been measwed in 30 wells at Trapper Mine in 2005. <br />Wells 81-03A, GD-2, GF-4, GP-3 and GP-4 were flowing wells in 2005 and presswe readings on <br />these wells have been converted to static water head in feet above the measuring point. The water <br />levels are prefixed by a negative sign to indicate a water level above the land surface. Wells GA-1 <br />and GA-2 were destroyed by mining in 1996 (see Hydro-Engineering, L.L.C., 1997 for where these <br />two wells were located) and well GP-1 was destroyed by mining in 2003 (see Hydro-Engineering, <br />LLC 2003). Monitoring of wells GB-1, GB-2, GB-S, GF-1, GF-2 and GF-3 ceased at the end of <br />2003. <br />The locations of the monitoring wells aze shown on enclosed Maps No. 2-1 through 2-3. <br />Well GD-1(2) is completed in the Twenty Mile Sandstone. Five wells, GE-1, GD-2, GF-6, GP-S, and <br />GP-6 are used to monitor the QR aquifer. Wells GD-3 and GF-11 aze completed in backfill derived <br />• from the QR aquifer and, therefore, aze also used to monitor the QR aquifer. Wells GP-2, GP-4, and <br />GP-8 are used to monitor the KLM aquifer. Six wells, GC-1, GE-2, GF-4, GP-3, GP-7, and GMP-1 <br />are used to observe changes in the HI aquifer. Wells GF-S and GF-7 aze completed in backfill <br />material derived from the HI aquifer and aze also used to monitor the HI aquifer. Wells GC-2, GE-3, <br />P-8, 81-03A, and GP-9 aze used to monitor the 3rd White Sandstone aquifer. Well GE-3 is <br />wmpleted in both the 2nd and 3rd White Sandstone and well P-S are completed in the 2nd White <br />Sandstone between the G and F coals, while GLLJX-1 is used to monitor the 1st White Sandstone. <br />Well P-3 is perforated in the Lewis Shale. Fow alluvial wells, COY, GC-3, P-1 and J-1, aze used to <br />monitor the Flume, Pyeatt, and Johnson alluviums. <br />Trapper Mining Company <br />2005 Annual Report <br />