Oil sheen detected on floodwaters of Yellowstone River  Bismarck TribuneA small oil spill that hadn't been fully cleaned up in northwest North Dakota has contaminated the Yellowstone River after the well site flooded, the North Dakota ... Read mo …

Bismarck TribuneOil spill in creek originally underestimated, making it one of largest in North Dakota historyBismarck TribuneThis Dec. 10 photo by the North Dakota Department of Health shows an oil spill from the Belle Fourche Pipeline that was discovered …