Wyoming Tribune: Coal Facts * Wyoming mines accounted for 39.5 percent of the nation’s coal production in 2009. * An average of 70 to 80 trains move coal out of Wyoming’s Powder River Basin each day. * Some coal seams in the Powder River Basin are 80 feet thick. * The average spot price for 8,800 Btu Powder River Basin coal was about $8.25 per ton in November, rising to $8.40 per ton in December. * The coal industry contributed an estimated $852 million to local and state …