| In a filing in 
				U.S. District Court in Washington, Jan Hasselman, a lawyer with 
				Earthjustice who represents the tribes, said the court should 
				rule, in a partial summary judgment, that the U.S. Army Corps of 
				Engineers violated the National Environmental Policy Act and 
				Clean Water Act by issuing the final permit.
 That easement will allow the Dakota Access pipeline to be 
				completed by tunneling under Lake Oahe, a reservoir that forms 
				part of the Missouri River. It comes after Judge James Boasberg 
				on Monday denied the request by the Standing Rock Sioux and 
				Cheyenne River Sioux for a temporary restraining order stopping 
				the last stretch of construction.
 
 Energy Transfer Partners is building the 1,170-mile (1,885 km) 
				line, which will run from North Dakota to Patoka, Illinois. The 
				last permit was denied in December and later subject to further 
				environmental review, by the outgoing Obama administration.
 
 After taking office last month, President Donald Trump ordered 
				that steps be taken to expedite the permit. The Army Corps then 
				elected not to undergo the additional environmental review and 
				issued the permit last week.
 
 The tribes' legal options are narrowing, according to Dave 
				Archambault II, chairman of the Standing Rock Sioux.
 
 The case is 1:16-cv-1534-JEB, U.S. District Court of Washington, 
				D.C.
 
 (Reporting by David Gaffen; Editing by Leslie Adler)
 
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