BILLINGS, Mont. (AP) — Oil pipeline accidents have become increasingly frequent in the U.S. as Congress pushes for approval of the Keystone XL pipeline.
Yellowstone oil spills fuel arguments over Keystone line
source U.S. News - News http://ift.tt/1HhVghk
Yellowstone oil spills fuel arguments over Keystone line
source U.S. News - News http://ift.tt/1HhVghk
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