Some of the land base of the Lower Brule Sioux Tribe is disappearing. But it’s not over any political or legal dispute--the Missouri River is swallowing up property near the town of Lower Brule.
Scientists have been studying the very high erosion rates on the Mighty Mo at this location for the past few years. Researchers are trying to find the best way to stop the Missouri from eating away at the fragile river banks near Big Bend Dam on Lake Sharpe.