North Dakota set to become 'liquid gold' capital of the world
The Bakken Petroleum System is part of the larger Williston Basin, which, according to a 2013 USGS study, has 7.4 billion barrels of oil that could supply the nation for at least 100 years.
And update:
North Dakota could help America become a dominant player in the oil industry after experts found a significant amount of undeveloped oil resources yet to be extracted. Geologists determined the middle Three Forks reservoir in McKenzie County has another 10.5 billion gallons of oil worth $18.6 billion just 50 feet lower than where drilling is currently operating