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Page 6 of 6 <br />to provide communication through the intervening marine shale have not been identified <br />within the proposed mining area. <br />With the PR -9 application, the proposed mining area is proposed to be modified. In <br />addition, the proposed extensions of panels 12LT, 13LT, 14LT and the addition of 11LT <br />will require mining through a major fault zones previously not mined through. Please <br />provide discussion identifying the fault zone proposed to be mined through and <br />evidence to ensure that the mining through the major fault zone will present similar <br />effects to the Trout Creek Sandstone and the Twentymile Sandstone. <br />15. Approved pages 2.05- 181.10 and 2.05 -184.8 discuss subsidence impacts to the Fish <br />Creek Alluvial Valley Floor. Please revise the above mentioned pages to include the <br />proposed new panels and panel extensions. <br />16. Based on the proposed mine plan submitted with PR -9, it appears that well 006 -AY -1 <br />may no longer be upstream from mining. Please provide information on constructing <br />a new Fish Creek Alluvial well to be monitored or the justification that a new Fish <br />Creek Alluvial well is not needed. <br />Please feel free to contact me with any questions at (303) 866 -3567 ext 8134. <br />