2010-08-31_REVISION - C1981019 ‎(2)‎

• Permit No: C1981019
• IBM Index Class Name: REVISION
• Doc Date: 8/31/2010
• Doc Name: Comments and Responses
• From: Colowyo Coal Company
• To: DRMS
• Type & Sequence: TR88
• Email Name: JRS
• Email Name: SB1
• Media Type: D
• Archive: No

CHANGE SHEET FOR PERMIT REVISIONS, TECHNICAL REVISION, AND MINOR REVISIONS
Mine Company Name: Colowyo Coal Company
Permit Number: C-1981-019
Page 1 of 2
August 5, 2010
Revision Description: TR-88 West Taylor Temporary
Out of Pit Stockpile
Volume Page, Map or other Permit Page, Map or other Permit
Number Entry to be Entry to be
REMOVED ADDED
Description of Change
1 No Change
2A No Change
2B No Change
2C No Change
2D No Change
2E No Change
3 No Change
4 No Change
5A No Change
5B No Change
6 No Change
7 No Change
8 No Change
9 No Change
10 No Change
11 No Change
12 No Change
13 Page Exh. 7-20-i Page Exh. 7-20-1 and ii Update Table of Contents of Exhibit 7 Item 20 for revised
West Ta for Pond SEDCAD modeling
13 Page Exh. 7-20-7
Table 4 Page Exh. 7-20-7
Table 4 Update Table 4 to include results of revised West Taylor Pond
modeling for active mining case. Resubmitted to add results
of 25 ear event modeling.
13 Page Exh. 7-20C-1 Page Exh. 7-20C-1 Updated text on Introductory page of West Taylor Pond design
for active mining case. Resubmitted to add text about 25 year
modelin .
Page 1