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This is two in as many months, I believe.
What’s going on?
Oil Boom Keeps Driving Increases In North America Rail Traffic
http://www.ibtimes.com/oil-boom-keeps-driving-increases-north-america-rail-traffic-1408794
The high stakes of oil by rail
http://www.calgaryherald.com/news/metro/high+stakes+rail/9125990/story.html
Concern Over Safety Grows as More Oil Rides the Rails
http://www.nytimes.com/2014/01/03/us/concern-over-safety-grows-as-more-oil-rides-the-rails.html?_r=0
North Dakota oil rail shipments expected to spike
http://www.freerepublic.com/focus/f-news/3101356/posts