It's no secret that North Dakota has been in the middle of an oil boom since about 2008, but a new chart from the North Dakota Industrial Commission, Department of Mineral Resources, shows just how steep the increase has been. As of 2006, the state was only producing about 100,000 barrels of crude oil per day, putting it on par with other mid-tier oil producing states like Kansas, Colorado and Montana. But new hydraulic fracturing techniques and the opening of the massive Bakken formation to drilling changed all that, and as of January 2013 the state was producing an average...