Created 29-Jun-15
Modified 6-Jul-15
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2010_October_Coal_Wind_Wyoming_Gillette_EcoFlight07Powder River BasinPowder River BasinPowder River BasinBlack Thunder MineBlack Thunder MineBlack Thunder MineBlack Thunder MineNorth Antelope MineNorth Antelope Coal Operation, WyomingNorth Antelope MineBlack Thunder Coal Operation, WyomingNorth Antelope MineNorth Antelope MineNorth Antelope Coal Operation, Wyoming2010_October_Coal_Wind_Wyoming_Gillette_EcoFlight032010_October_Coal_Wind_Wyoming_Gillette_EcoFlight08Coal Mining - WY - Powder River BasinCoal Mining - WY - Powder River BasinCoal Mining - WY - Powder River Basin