Here.

Subtitled: “Did the U.S. government help destroy a major Sioux archeological site?”

An excerot:

“These are valid claims and, as alleged, they are strong claims,” says Sarah Krakoff, a professor of environmental resource and Indian law at the University of Colorado Boulder. “These [federal provisions] are intended to slow this process down, so that they can make sure the right environmental decision is being made.”

She added, “the Clean Water Act has substantive provisions that prefer good environmental outcomes to bad. And the proximity of this pipeline to their main water source does make their legal case stronger than some I’ve seen.”