Difference between revisions of "File:Blackthundermine.jpg"

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[http://www.wyohistory.org/encyclopedia/powder-river-basin-natural-history?page=4 Arch Coal’s Black Thunder] is the biggest mine in the Powder River Basin

Latest revision as of 14:45, 22 April 2012

Arch Coal’s Black Thunder is the biggest mine in the Powder River Basin

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current14:45, 22 April 2012Thumbnail for version as of 14:45, 22 April 2012680 × 510 (105 KB)Samc (Talk | contribs)
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