Powder River Basin Coal Leases by Application

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Successful Competitive Lease Sales Since 1990

LBAs - SOLD

• 2006 - North  Porcupine   (North Antelope/Rochelle Mine) --- Lease Effective 10/01/2012
• 2006 - South Porcupine  (North Antelope/Rochelle Mine) --- Lease Effective 8/1/2012
• 2005 - South Hilight    (Black Thunder Mine) --- Lease Effective 05/01/2012  
• 2006 - Caballo West   (Caballo Mine) --- Lease Effective 11/01/2011 
• 2004 - Belle Ayr North   (Belle Ayr Mine) --- Lease Effective 11/01/2011
• 2005 - West Antelope II   (Antelope Mine) --- North Lease effective 07/01/2011 & South Lease effective 09/01/2011  
• 2001 - North Maysdorf  (Mt. Logan)   (Cordero Rojo Mine) --- Lease effective 05/01/2009  
• 2001 - South Maysdorf  (Mt. Logan)   (Cordero Rojo Mine) --- Lease effective 08/01/2008  
• 2001 - Eagle Butte West   (Eagle Butte Mine) --- Lease effective 05/01/2008 
• 2000 - West Roundup  (North Antelope/Rochelle Mine) --- Lease effective 05/01/2005  
• 2000 - NARO North   (North Antelope/Rochelle Mine)--- Lease effective 03/01/2005  
• 2000 - West Antelope   (Antelope Mine) --- Lease effective 03/01/2005  
• 2000 - West Hay Creek   (Buckskin Mine) --- Lease effective 01/01/2005  
• 2000 - Little Thunder  (Black Thunder Mine) --- Lease effective 03/01/2005  
• 2000 - NARO South   (North Antelope/Rochelle Mine) --- Lease effective 09/01/2004  
• 1998 - North Jacobs Ranch   (Jacobs Ranch - Now Black Thunder Mine) --- Lease effective 05/01/2002  
• 1997 - Horse Creek  (Antelope Mine) --- Lease effective 12/01/2000  
• 1995 - Powder River   (North Antelope/Rochelle Mine) --- Lease effective 09/01/1998  
• 1995 - Thunder Cloud   (Jacobs Ranch Mine) --- Lease effective 01/1999  
• 1992 - Antelope   (Antelope Mine) --- Lease effective 02/01/1997  
• 1992 - North Rochelle   (North Rochelle - Now Black Thunder Mine) --- Lease effective 01/01/1998  
• 1991 - Eagle Butte   (Eagel Butte Mine) --- Lease effective 08/01/1995  
• 1990 - North Antelope/Rochelle   (North Antelope/Rochelle Mine) --- Lease effective 10/01/1992  
• 1990 - West Rocky Butte   (Rocky Butte - Now Caballo Mine) --- Lease effective 01/01/1993  
• 1989 - Jacobs Ranch   (Jacobs Ranch Mine) --- Lease effective 10/01/1992  
• 1989 - West Black Thunder   (Black Thunder Mine) --- Lease effective 10/01/1992 

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LBAs - PENDING

• 2011 - Antelope Ridge   --- Applied for 09/23/2011 
• 2011 - Belle Ayr West  (Belle Ayr Mine) --- Applied for 08/01/2011 
• 2006 - Maysdorf II   (Cordero Rojo Mine) --- Final EIS completed 08/20/2009 
• 2006 - Hay Creek II   (Buckskin Mine ) --- Final EIS available 07/29/2011
• 2006 - West Jacobs Ranch    (Jacobs Ranch now Black Thunder Mine) --- ROD pending 08/12/2010  
• 2006 - West Hilight Field    (Black Thunder Mine) --- ROD pending 08/12/2010  
• 2005 - North Hilight Field   (Black Thunder Mine) --- N. Hilight ROD signed 02/01/2012

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LBAs - REJECTED/WITHDRAWN

• 2006 - West Coal Creek  --- LBA Rejected 
• 2002 - Big Thunder    (Jacobs Ranch Mine) -- Application Withdrawn  
• 2000 - Belle Ayr 2000   (Belle Ayr Mine) -- Sale Held, Bid Rejected   
• 2000 - State Section   (New Mine Start) -- Application Withdrawn   
• 1997 - Belle Aye Mine  (Belle Ayr Mine) -- Application Rejected; Modified & Resubmitted as Belle Ayr 2000  
• 1997 - Keeline  (Belle Ayr Mine) -- BLM Decision Upheld