FILE - This Sept. 29, 2016 file photo, shows a section of the Dakota Access Pipeline under construction near the town of St. Anthony in Morton County, N.D. Texas-based Energy Transfer Partners, the ... more 
FILE - This Sept. 29, 2016 file photo, shows a section of the Dakota Access Pipeline under construction near the town of St. Anthony in Morton County, N.D. Texas-based Energy Transfer Partners, the company building the oil pipeline, asked a a federal judge on Tuesday, Jan. 17, 2017, to block the U.S. Army Corps of Engineers from launching a full environmental study of the $3.8 billion pipeline's disputed crossing of a Missouri River reservoir in North Dakota. (Tom Stromme/The Bismarck Tribune via AP, File) less 
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Associated Press
Tue, Jan 17, 2017 1:48 PM EST