2009_01_27_bos-sfo_578
The Jacobs Ranch coal mine in the Powder River basin of Wyoming. Little Thunder Road (Highway 450, also the Charleton Highway) runs through it, alongside the railroad. The straight line beyond the mine is also a railroad. On this Google Map you can see a train being filled at the mine. It's a dark line on the railroad loop itself. Jacobs Ranch was bought by Arch Coal in 2009. Arch already owned both Powder River Coal mines just south of here. The coals of Wyoming are of the Fort Union Formation, produced in thepaleocene epoch (60 million years ago, give or take a few), and are classified as sub-bituminous.

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