2009-09-21_PERMIT FILE - C1980007 ‎(2)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 9/21/2009
• Section_Exhibit Name: Exhibit 51 Lower Refuse Pile
• Media Type: D
• Archive: No

EXHMIT 51
MOUNTAIN COAL COMPANY, L.L.C.
West Elk Mine
LOWER REFUSE PILE
Submitted as Permit Revision to CDRMS Permit #C- 1980 -007
July 1981
Geotechnical studies and designs by Charles C. Rehn, P. E., et. al., of Harding Lawson Associates, formerly of Envirocon,
Inc., formerly of GeoWest, and formerly of Rocky Mountain Geotechnical.
Revised 08185; 05/86; 12/86; 02/88; 08/89; 03/93; 06/94; 03196; 12197- MR235; 12/98 - MR255; 09/09- TR118