File:Blackthundermine.jpg

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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	14:45, 22 April 2012		680 × 510 (105 KB)	Samc (talk \| contribs)

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Software used	Adobe Photoshop CS5 Macintosh
IIM version	2