REV98446

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 3/7/2006
• Doc Name: Preliminary Adequacy Review Letter
• From: DMG
• To: Colowyo Coal Company L.P.
• Type & Sequence: MR80
• Media Type: D
• Archive: No

This concludes the adequacy review for Colowyo Mine's Minor Revision 80. A decision
for this revision is due 10 days following the Division calling the revision complete. The
Division asks for Colowyo's prompt responses to the above questions. Please call me if
you have any questions or need any additional information.
f
~tection Specialist