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SkyTruth » Tar Sands (Oil Sands, Oilsands) » Athabasca Tar Sands

Satellite and aerial views of the massive mining operation underway in the boreal forest of Alberta, Canada, to extract heavy oil from deposits of "tar sands" (also called "oil sands" or oilsands). Learn more at Wikipedia, and view National Geographic's March 2009 photo gallery of the tar sands development activity.