BISMARCK, N.D. — North Dakota Department of Health officials say cleanup is under way on a spill of nearly 42,000 gallons of water and clay in McKenzie County.
Authorities say about 990 barrels of fresh water and bentonite mud spilled about 11 miles north of Keene. It was caused by a frozen hose.
Bentonite is a naturally occurring clay formed from volcanic ash. It is being used by Boots Smith Oilfield Services for installation of a pipeline owned by Hess Corp.
Health officials say no water resources have been affected.
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