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Bowie No. 2 Mine <br />TR-61 Adequacy Review <br />29 May 2009 <br />Page 4 of 4 <br />General Comments (New) <br />The Volume IX text refers to various coal mine waste ("Gob") piles, numbered 1 <br />through 4, and the west expansion area of Gob Pile #2. The various Gob piles are not <br />identified on the Maps (Figures) for Volume IX. <br />Please identify the various coal mine waste piles on the figures in Volume IX. <br />On Volume IX, Figure 1, Section D-D', there is an unidentified blue line that roughly <br />parallels the green original ground surface line. <br />Please identify the blue line, or remove if it is irrelevant. <br />In the Legend for Figure 2 (Volume IX), symbols for the rock drains and the lateral <br />subdrains have not been provided. There "are also some small, fuchsia concentric <br />circles near the haul road that are not identified in the legend. <br />Please modify the Legend for Figure 2 to include symbols for the items listed. <br />In the southwestern corner of Map 15-3 is proposed Gob pile, with a note to refer to <br />Volume XI. <br />Please verify that Volume XI is correct (perhaps it should be Volume IX?). <br />This concludes my adequacy review comments for Technical Revision No. 61. Please do <br />not hesitate to contact me with any questions you may have.