July 9, 2009 Rio Tinto Energy America’s Antelope Mine receives State of Wyoming Mine Safety Award for Large Surface Mines and the Safe Sam Award for Safety
March 9, 2009 Rio Tinto Reaches Agreement to Sell Jacobs Ranch Coal Mine for US$761 million
February 10, 2009 Rio Tinto Energy America Supports Teens as a March Against Meth Sponsor
November 10, 2008 Rio Tinto Energy America (RTEA) Arranges for Buses that Provide Significant Improvements in Safety and Efficiency
October 3, 2008 Rio Tinto Energy America honored with two National Awards and one State Award for Exemplary Community and Environmental Practices
August 8, 2008 Rio Tinto Announces the Filing of a Registration Statement by Cloud Peak Energy Inc. for a Proposed Initial Public Offering
April 22, 2008 Cordero Rojo Mine awarded substantial coal lease from the Bureau of Land Management
November 8, 2007 Announcement: Rio Tinto Explores Options to Sell Rio Tinto Energy America
October 22, 2007 Rio Tinto Energy America conducts Disaster Management and Recovery Plan exercise
April 19, 2007 Spring Creek Mine awarded lease from the Bureau of Land Management
January 29, 2007 RTEA ships a record 134 million tons in 2006
November 28, 2006 Fatal Accident at Spring Creek Mine
August 7, 2006 Rio Tinto Energy America sells Gillette acreage
May 31, 2006 Spring Creek Mine recognized for exemplary safety record
May 2, 2006 Rio Tinto Energy America is new name of Kennecott Energy
March 20, 2006 New President and CEO Announced at Kennecott Energy
March 7, 2006 Kennecott Energy CEO Appointed to Post in London
September 22, 2005 Spring Creek Mine honored for outstanding reclamation
June 30, 2005 Kennecott Energy Company reaches one billionth ton milestone in 2005
January 27, 2005 Companies announce formation of Gateway Terminal, LLC
December 15, 2004 Rio Tinto’s successful bid expands Antelope coal reserves
October 7, 2004 Jacobs Ranch Mine honored for outstanding reclamation
September 10, 2004 Spring Creek Coal Company receives Montana Governor’s safety award
