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FILE - This Dec. 10, 2016, file photo, provided by the North Dakota Department of Health shows an oil spill from the Belle Fourche Pipeline that was discovered Dec. 5, 2016 in Ash Coulee Creek, a tributary of the Little Missouri River, near Belfield, N.D. The spill of an estimated 210,000 gallons of crude oil in South Dakota on Thursday, Nov. 16, 2017, from TransCanada's Keystone Pipeline is one of the largest onshore oil or petroleum product spills since 2010. This 2016 spill is one of the top 20 spills during that period as reported to the U.S. Department of Transportation. (Scott Stockdill/North Dakota Department of Health via AP, File)

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Life & Health