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INSERTION INSTRUCTIONS <br />SENECA II-W MINE PERMIT C-82-057 <br />TECIINICAL REVISION (TR-75) <br />June 2011 <br />TAB 20, Backfdling and Grading. VOL. 13 <br />• Attachment 20-1, Postmine Drainage Channel Design - replace figures 20-1.1 <br />• Attachment 20-1, Postmine Drainage Channel Design - insert new pages 20-1-77a <br />• Exhibit 20-2, Post-Mining Topography and Drainage - replace exhibit <br />• Exhibit 20-5.1a, Channel Profile and Cross-section -insert new exhibit <br />-- A