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wsupar � N ny <br />February 13, 2013 <br />Jared Ebert <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80202 <br />RE: Seneca II -W Mine (Permit C -82 -057) <br />TR -79 Adequacy Review Response, Round 2 <br />Mr. Ebert, <br />Tab 20; Backfillinr and Grading <br />Seneca Coal Company • P.O. Box 670 • Hayden, Colorado 81639 <br />Telephone (970) 276 -5219 • FAX (970) 276 -5222 <br />Seneca Coal Company <br />• <br />Seneca Coal Company (SCC) has reviewed your letter of January 24, 2013 regarding TR -79, Pond 16A <br />Slide Area As -Built and has prepared the following responses. <br />1. Page 18 of this tab was revised with the adequate review response removing from the text the <br />description of Figure 20 -2; the Typical Runoff Control Structure. This description is necessary in <br />this section of the permit and should be included on this page. Please revise this page to include <br />this information and cite the location where Figure 20 -2 can be found (Attachment 20 -3). <br />Response: Page 18 was revised to reinsert the original information and includes reference to the location <br />of Figure 20 -2 in Attachment 20 -3. <br />2. The table of contents for this tab should be revised to indicate Figure 20 -2 can be found in <br />Attachment 20 -3. <br />Response: A table of contents doesn't include the table of contents for Attachments and Appendices. <br />3. With the response letter, you submitted Exhibit 20 -D.2A; Pond 016 Area Asbuilt plan view map. <br />Please submit a revised map with the locations of the underdrains that were constructed and the <br />abandoned wells in the area. <br />Response: Due to extenuating circumstances (timing, equipment malfunction and availability), the <br />underdrains were not surveyed for location and therefore will not be included on the Exhibit 20 -D.2A <br />(plan view map). The abandoned and replacement well locations are shown on the revised maps as <br />requested. <br />