Tesoro detected anomalies on North Dakota pipeline before spill
Oct 17 (Reuters) - Tesoro Logistics LP on Thursday said it detected anomalies during an inspection of its 20-year-old North Dakota pipeline days before the line leaked more than 20,000 barrels of oil onto farmland.
The pipeline was carrying Bakken oil to a rail facility in North Dakota when it ruptured. A farmer harvesting wheat on his land discovered the leak Sept. 29.
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