The ruptured tar sands oil pipeline that spilled at least 12,000 barrels of Canadian tar sands oil in Mayflower, Arkansas, on March 29

More Spills Shine Spotlight on Keystone

Earlier that same week, a train carrying Canadian tar sands oil derailed and spilled 15,000 gallons of oil in Minnesota. - See more at: http://www.emagazine.com/daily-news/more-spills-shine-spotlight-on-keystone/#sthash.ouU6AWsr.dpuf