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240 miles

The distance away from an oil spill site that shows shoreline contamination in Montana. A 12-inch Exxon pipeline burst a week and a half ago, pouring 1,000 barrels of oil into one of America's most pristine rivers not too far from Yellowstone National Park.

The distance away from an oil spill site that shows shoreline contamination in Montana. A 12-inch Exxon pipeline burst a week and a half ago, pouring 1,000 barrels of oil into one of America's most pristine rivers not too far from Yellowstone National Park. 

Caroline Cournoyer is GOVERNING's senior web editor.