December Crude Spill In North Dakota Thrice As Big As Originally Estimated | OilPrice.com
Keystone Pipeline spill in South Dakota twice as big as first thought
North Dakota farmer makes crude discovery: largest oil spill on US soil | Fox News
Keystone pipeline reopens after 1.4 million-litre spill in North Dakota | CBC News
Wastewater pipelines often leak in North Dakota (Built to spill) — High Country News – Know the West
How long did the North Dakota oil spill remain undetected? - Greenpeace USA
In North Dakota, Oilfield Spill Problems Worsen | Inside Energy
North Dakota farmers fear more than just oil spills – Living with Oil and Gas
Video Keystone pipeline spills over 380,000 gallons in North Dakota - ABC News
Opposition to Keystone 1 Pipeline in South Dakota and huge oil leak, USA | EJAtlas
North Dakota oil spill raises questions about safety | MPR News
With Big Spill to Clean, Pipeline Owner Seeks Keystone XL Approval - The New York Times
Keystone Pipeline spill in South Dakota twice as big as first thought
Salting the earth: North Dakota farmers struggle with a toxic byproduct of the oil boom
Pipeline Spill Adds To Concerns About Dakota Access Pipeline : NPR
North Dakota oil spill raises questions about safety | MPR News
Massive 2013 oil spill in North Dakota still not cleaned up | whas11.com
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Keystone Pipeline Leaks 14,000 Barrels of Oil in Kansas | Smart News| Smithsonian Magazine
Over 380,000 gallons of oil spill from Keystone pipeline in North Dakota - ABC News
Cleanup Ongoing after North Dakota Pipeline Oil Spill
