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Forrest Luke, TMI <br />Page 5 <br />7/29/2014 <br />boundary will be added to these maps at that time, with the existing permit boundary also <br />included for reference. <br />b. Division's Response: Sections 2.7.53 and 2.7.53a of Trappers permit discusses baseline <br />groundwater levels and contains narratives, tables, figures and maps with the required <br />information from Rule 2.04.7(4)(c) for the current permit area. Please revise these sections <br />with baseline information for the expansion area or provide a new section containing the <br />required information for the expansion area. The M54 map series depicts the pre -mine <br />water level elevations in the various aquifers at the site; please update these maps with for <br />the expansion area or provide a new map of the M54 series with this information. <br />c. Trapper's Response #2: Please see the revised map M54 series concerning groundwater <br />elevations for the mine -site and expansion areas. <br />d. Division's Response: Trapper submitted revised M54 series maps depicting ground water <br />elevations for some of the aquifers within the permit and proposed expansion area for the <br />"SS ", HI and the QR aquifers. It is unclear which aquifer the map designation "SS" is <br />depicting since there are three different sandstone aquifers within Trapper's permit area. <br />The areal and vertical distribution of the 2nd White Sandstone, 3rd White Sandstone and 20 <br />Mile Sandstone aquifers will need to be depicted. Water elevation maps were not <br />submitted for the alluvial aquifer, the "KLM" aquifer, or "U" aquifer. Please submit maps <br />for the aquifers cited above for the expansion area. <br />3.3.3 East Panel Landslide Geotechnical Evaluation <br />20. On page 3 -27b, Stations 5 to 8 have replaced Stations 1 to 4 that were listed previously. For the <br />purposes of continuity, a new paragraph should be inserted at the top of page 3 -27b which gives a <br />brief description of what happened to the original four stations, and when the current stations were <br />placed in service. <br />a. Trapper's Response: Information has been added to enclosed page 3 -27b addressing site <br />installation dates, equipment installed at each monitoring station, and removal dates for <br />individual stations. In addition, Figure 3.3.3 -1 (enclosed page 3 -27c) has been updated to <br />reflect current station locations and Table 3.3 -4 (enclosed page 3 -27d) is updated to reflect <br />current active locations. Enclosed page 3 -27a is revised to correct a typo. <br />Division's Response: Please update the aerial photo map on page 3 -27c to depict all eight <br />monitoring stations. Also, please include a date on the map for the aerial photograph used. <br />c. Trapper's Response #2: The aerial photo map on page 3 -27c has been updated as <br />requested and is attached. <br />