PERMFILE114812

• Permit No: C1982057
• IBM Index Class Name: Permit File
• Doc Date: 6/16/2006
• Doc Name: Highwall Mining
• Section_Exhibit Name: Tab 12 Attachment 12-4
• Media Type: D
• Archive: No

HIGHWALL MINING GROUND CONTROL PLAN ADDENDUM:
Seneca IIW and Yoast Areas
Seneca Coal Company
Seneca Mine
MSIIA LD. #OS-00304
Routt County, Colorado
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• March 15, 2004