Construction Workers Shift Change at Oil Refinery. They are expanding the refinery to process oil from Canada's tar sands.

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Detroit, Michigan - Construction workers leave the Marathon Petroleum refinery. They are working on the Heavy Oil Upgrade Project, which will allow the refinery to process heavy crude oil from Canada's tar sands.

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Size: 3744px × 5616px
Location: Detroit, Michigan USA
Photo credit: © Jim West / Alamy / Afripics
License: Licensed
Model Released: No

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