2009-11-08_PERMIT FILE - C1980007

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/8/2009
• Doc Name: Coal Preparation Plan and Associated Coal Handling Facilities
• Section_Exhibit Name: Exhibit 81
• Media Type: D
• Archive: No

To: Chris Nyikos, Project Manager - Mountain Coal Company
Subject: Stability Analysis of LRP With Preparation Plant
Date: 8 September, 2009
Project: 06/26-1004
Certification
I hereby certify that this report was prepared by me or under my direct supervision and that I am a duly
sed Professional Engineer under the laws of the State of Colorado.
Philip B. Solseng (Reg. # 40864)
-6-