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between these two coals have been termed the HE aquifer and have been mined in the past in the A, <br />B, F, G, K and Z pits, currently the K and Z pits mine the I coal seams. The D pit previously mined <br />the Q and R seams and the I and I1 seams. H pit mined the G seam. The 3rd White Sandstone (G <br />coal and sandstone below) and 2nd White Sandstone (F coal and sandstone below) are monitored at <br />four locations. The Lewis Shale is monitored at one location. The Johnson and Pyeatt Gulch <br />alluvial aquifers are monitored at one site in each of these drainages while the Flume Gulch alluvium <br />is monitored at two locations. The 2010 hydrologic monitoring report, Hydro - Engineering, LLC <br />(2011), presents the discussion of the monitoring results through 2010. The table on the pull -out <br />index provides basic well data for all wells monitored in 2011. Wells 81 -03A, GE -1, GE -2, GE -3, <br />GLUX -1 and GP -6 were not required to be monitored after the first half of 2006. <br />Springs at Trapper Mine were monitored during 2011 in accordance with the approved <br />monitoring plan. Springs with measured flows of greater than 5 gpm were sampled for full suite <br />water quality parameters. Results of the 2011 spring monitoring are presented in Table B -2 in <br />Appendix B. <br />Table 1 -1 (page 1-4) presents the pit and well dewatering data and volume of water used <br />for dust suppression for Trapper Mine for 2011. This data shows that, on an average, approximately <br />30.0 gpm was pumped from the Trapper Mine pits during 2011. Well dewatering was started in <br />September of 2002 in the G pit. The average well pumping rate for 2011 was 31.6 gpm for the G pit <br />well dewatering. This data is useful in interpreting water -level changes and consumptive use. <br />Surface -water flow and quality were monitored at Flume Gulch (S -1), Johnson, No Name, <br />Middle Pyeatt, East Pyeatt, West Pyeatt, Oak, Horse, Middle Flume, East Middle Flume, Deal Gulch <br />and West Horse Gulch drainages during 2011. The Johnson, No Name, Coyote, Ute, Middle Pyeatt, <br />East Pyeatt, Deer, West Pyeatt, Far East Buzzard, Grouse, Sage, Oak, Horse, West Flume, Middle <br />Trapper Mining Company 1 -2 <br />2011 Annual Report <br />