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� ny <br />June 28, 2011 <br />Ms. Susan Burgmaier <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 -73 — Pond 016 Area Slide Remediation Plan <br />Round 3 Adequacy Responses <br />Ms. Burgmaier, <br />Seneca Coal Company (SCC) has reviewed your e-mail of June 27, 2011 and has developed the <br />following responses to the adequacy comments. <br />1. Resolved <br />Seneca Coal Company <br />REcE <br />o ; j 9 l °1201 <br />°n o f Re <br />M;nin9 S <br />and "' "0 <br />2. Please include, on Page 1 of Attachment 20 -D, a statement that SCC will develop <br />Moisture /Density ( "Proctor ") curves for each separate type of fill material prior to <br />commencement of placement and compaction, and will have that information available on <br />site during all phases of construction. <br />Response: Attachment 20 -D has been revised as required. <br />3. .Resolved <br />4. Response previously accepted <br />5. Response previously accepted <br />6. Response previously accepted <br />7. Response previously accepted <br />8. Response previously accepted <br />9. Response previously accepted <br />10. Response previously accepted <br />Seneca Coal Company • P.O. Box 670 • Hayden, Colorado 81639 <br />Telephone (970) 276 -5219 • FAX (970) 276 -5222 <br />