Exemption could open roadless area to coal mine expansion in Colorado | ||
April 7, 2015 | ||
Arch Coal considers appeal of federal court ruling to halt expansion | ||
July 1, 2014 | ||
Coal production in Colorado drops in 2013 | ||
August 28, 2013 | ||
Expansion blocked for West Elk coal mine in Gunnison County | ||
February 16, 2012 | ||
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