Daily Mail | Oil Pipeline Protest Turns Violent in North Dakota NBCNews.com BISMARCK, N.D. — A protest of a four-state, $3.8 billion oil pipeline turned violent after tribal officials say construction crews destroyed American Indian burial and cultural sites on private land in southern North Dakota. Morton County Sheriff's ... Native American protesters clash with security over the Dakota Access oil pipeline Protest against This Fracked North Dakota Oil Pipeline Just Keeps Getting Bigger Native Americans Hold Largest Convergence in a Century to Oppose Oil Pipeline |