Garrison Dam on the Missouri River forms Lake Sakakawea in North Dakota. (Amy Echols/U.S. Army Corps of Engineers) The U.S. Army Corps of Engineers is working on shoring up Garrison Dam’s spillway, ...
George Gillette, chairman of the Mandan, Hidatsa and Arikara Nation, wipes away tears as Secretary of the Interior J.A. Krug signs an agreement in which the government seized more than 150,000 acres ...
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