2013-09-19_PERMIT FILE - C1981019A ‎(2)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 9/19/2013
• Doc Name: Geotechnical Report South Taylor Excess Fills
• Section_Exhibit Name: Exhibit 21 Item 1 -ST
• Media Type: D
• Archive: Yes

Colowyo Coal Company, L.P.
Mr. Juan Garcia
July 30, 2013
Page 2 of 2
the time we prepared this report. We make no other warranty, either express or implied. If you
have any questions or require further information, please contact me at 303 - 825 -3800.
Sincerely,
SHANNON
Mark G. Gra
Senior Associate
MGG:GRF /mgg
Reviewed by:
Gregory R Fischer, P. E.
Senior Vice President
23-1-01105-206
Exhibit 21, Item 1 Revision Date: 8/5/13
Addendum No. 3 -33 Revision No. TR -99