Demonstrators against the Dakota Access oil pipeline block a road near North Dakota's Standing Rock Reservation in October. The pipeline would cross historic Native land and pass under the Missouri River, the source of the local water supply.

Anti-pipeline demonstrators conduct a march and prayer circle near North Dakota's Standing Rock Reservation in October 2016. The pipeline would cross historic Native land and pass under the Missouri River, the source of the local water supply.

Credit:

Sandy Tolan

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