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Page 3 of 3 <br />6. Please revise page 12 to include details of the configuration of the end - dumped gob <br />material, such as the maximum slope, maximum height, distance from the edge of the <br />compacted bench, etc. <br />7. At the top of revised page 13 (Volume IX), a paragraph break has been removed for the <br />sentence that begins, "Coal mine waste materials..." If deletion of the paragraph break <br />at the top of page 13 was unintentional, please restore the break. <br />8. The first full paragraph on revised page 13 references "Buckhorn Geotech <br />recommendations ". In light of the number of Buckhorn studies that have been <br />incorporated to date, please identify, in the second full paragraph of page 13, the <br />specific study that established the 3h :1v slopes on Gob Pile #2 (we believe it is the <br />study dated 22- Sep -2008 and approved under TR -56). <br />9. The second full paragraph on revised page 13 includes recommendations that appear to <br />be verbatim from the Buckhorn reports. Please revise the second full paragraph of <br />page 13 so that the recommendations of Buckhorn are stated as commitments by BRL. <br />For example, "Care should be taken..." would be "Care will be taken..." <br />10. A new page 14a has been added to Volume IX, which shows the approximate footprint <br />of the proposed Drying Area. Please add the date of the base photo (25 -Sep -2013) to <br />the title block of the map on page 14a. <br />11. The last paragraph of revised Page 19 (Volume IX) refers to eight working piezometers <br />as being shown on Figure 1. Figure 1 does not appear to have been updated to show <br />the locations of VWP -08, -09, and -10. Also, as discussed in Item 2b), above, only five <br />VWPs are currently in working order. Please update the last paragraph of page 19 and <br />Figure 1 to reflect the current status of VWPs at Gob Pile #2, together with any <br />changes that may be proposed by Buckhorn in response to 2b). <br />If you have any questions or need additional information, please contact me. <br />Sincerely, <br />Susan L. Burgmaier <br />Environmental Protection Specialist <br />cc: Tamme Bishop, J.E. Stover & Associates <br />Marcia Talvitie, DRMS <br />