Underlying northwestern North Dakota is a massive rock formation, referred to as the Bakken shale, which holds an estimated 18 billion barrels of crude oil. When this resource was first discovered in 1951, recovering it was financially unfeasible because the oil was embedded in the stone. Then, around 2008, everything changed, and North Dakota boomed. New drilling technology called hydraulic fracturing, or "fracking," became widespread, and oil production took off. As of 2013, there are more than 200 active oil rigs in North Dakota, producing about 20 million barrels of oil every month -- nearly 60 percent of it shipped by rail, rather than pipeline. The rigs and support systems have resculpted the landscape, millions of dollars are being spent on infrastructure upgrades across the area, and thousands of oil field workers have arrived, living in new or temporary housing. Gathered below is a collection of images of this recent boom, spread across North Dakota's wide open plains.
North Dakota's Oil Boom
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Read moreRoughneck Brian Waldner, covered in mud and oil on a True Company oil drilling rig outside Watford, North Dakota, on October 20, 2012. Thousands of people have flooded into North Dakota to work in state's oil drilling boom. #
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Read moreNatural gas flares near a pair of pumpjacks outside of Williston, North Dakota, on March 11, 2013. The gas, coming to the surface as a byproduct of the oil pumping, is not easily recovered, and is burned off as waste. #
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Read moreAn oil drilling rig operates near homes, farm fields and the Missouri River outside Williston, North Dakota, on October 19, 2012. See this same spot in Google Maps, from one year before. #
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Read moreRoughnecks wrestle pipe on a True Company oil drilling rig outside Watford, North Dakota, on October 20, 2012. #
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Read moreHorses graze in a field near an oil pump site outside of Williston, on March 11, 2013. #
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Read moreAn oil drilling rig operates outside Williston, on October 19, 2012. See this same spot in Google Maps, from 2011. #
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Read moreNorthwestern North Dakota, one of the least-densely populated parts of the United States appears to glow at night due to gas and oil production. Most of the lights are associated with drilling equipment and temporary housing near drilling sites, and a few are evidence of gas flaring. Image taken by instruments aboard NASA's Suomi NPP satellite, on November 12, 2012. #
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Read moreA trailer park for oil field workers outside Williston, on October 19, 2012. #
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Read moreDrilling supplies in a yard in Williston, from a 2011 aerial photograph. The rectangular objects are stacks of 50-foot steel drill pipes. See this yard on Google Maps. #
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Read moreA man camp for oil field workers outside Williston, on October 19, 2012. #
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Read moreResidential developments being constructed in Williston, on October 19, 2012. #
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Read moreOil industry worker Bobby Freestone enjoys a day off at a so-called "man camp" outside Watford, North Dakota, on October 20, 2012. #
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Read moreOil industry worker Chris Skinner stands in front of his accommodations at a "man camp" outside Watford, on October 20, 2012. #
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Read moreA oil drilling rig operates outside Williston, on October 19, 2012. Gas flares visible in a pit at lower right. #
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Read moreRoughneck Brian Waldner prepares pipe on a True Company oil drilling rig outside Watford, on October 20, 2012. #
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Read moreA mixture of oil, diesel fuel, water and mud sprays as roughnecks wrestle pipe on a True Company oil drilling rig outside Watford, on October 20, 2012. #
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Read moreRoughneck Brian Waldner, covered in mud and oil while wrestling pipe on a drilling rig outside Watford, on October 20, 2012. #
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Read moreCattle graze near an oil drilling rig outside Watford, on October 20, 2012. #
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Read moreAn aerial view of farmland dotted with oil rigs and pumps, near Ray, North Dakota, in 2009. The image is 11 miles across (north is to the left), and the contrast has been boosted to distinguish oil rig pads from farmhouses and natural features. See this region on Google Maps. #
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Read morePumpjacks west of Williston, North Dakota. See this on Google Maps. #
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Read moreA man climbs down an oil derrick on a rig of an oil drilling pump site in McKenzie County, North Dakota, on March 12, 2013. #
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Read moreAn oil derrick at a fracking site for extracting oil outside of Williston, on March 11, 2013. #
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Read moreThe Bakken Oil Express unit train load-up facility, in 2012. West of Dickinson, North Dakota (Google map), this facility now allows up to four unit trains (on unit trains, all cars carry the same load, have same destination) of 100 cars each to be loaded with oil simultaneously. The mile-long trains come off the railroad (running diagonally from left to right), loop around huge tracks, and load up to 8 rail cars at a time. You can see a second track under construction on the left. The oil is brought to the facility by hundreds of tanker trucks from surrounding wells. Right now, more oil is shipped by rail than by pipeline, and the region is producing about 700,000 barrels of oil per day. #
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Read moreRoughneck Mike Lynch works on a True Company oil drilling rig outside Watford, on October 20, 2012. #
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Read moreTools, on a rig of an oil drilling pump site in McKenzie County outside of Williston, on March 12, 2013. #
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Read moreA man works at an oil fracking pump site in McKenzie County, on March 12, 2013. #
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Read moreAn oil drilling rig, outside Watford, on October 20, 2012. #
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Read moreA pipeline network in a field outside of Williston, on March 11, 2013. #
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Read moreA warning sign for a natural gas pipeline, in front of natural gas flares at an oil pump site outside of Williston, on March 11, 2013. #
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Read moreNatural gas flares at an oil pump site in McKenzie County, North Dakota, on March 12, 2013. #
Reuters/Shannon Stapleton
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