2009-02-09_REVISION - C1981019

• Permit No: C1981019
• IBM Index Class Name: REVISION
• Doc Date: 2/9/2009
• Doc Name: Adequacy Review Responses
• From: Colowyo Coal Company
• To: DRMS
• Type & Sequence: TR74
• Email Name: JRS
• Media Type: D
• Archive: No

Please amend the key to provide the interpretation for the abbreviation BTE.
Response: The key was amended to include BTE and its interpretation. This stands for
"below top of embankment"
24) Attachment A3-14 included "ATP." in the Depth / Elev column.
Please amend the key to provide the interpretation for the abbreviation ATP.
Response: The abbreviation ATP and its interpretation were added to the key. This stands
for "above top of pipe".