Tribe files legal challenge to pipeline’s finish

CANNON BALL, N.D. (AP) — Construction of the Dakota Access pipeline under a North Dakota reservoir has begun and the full pipeline should be operational within three months, the developer of the long-delayed project said Thursday, even as an American Indian tribe filed a legal challenge to block the work and protect its water supply.
The Army granted Energy Transfer Partners formal permission Wednesday to lay pipe under Lake Oahe, clearing the way for completion of the 1,200-mile, $3.8 bil