Big Stone Lake

Big Stone Lake, narrow lake, c.25 mi (40 km) long, on the Minn.–S.Dak. line. Located in the outlet channel of glacial Lake Agassiz, it is the source of the Minnesota River and serves as a storage reservoir for the Minnesota Valley.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: U.S. Physical Geography


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