Detroit, river, 32 mi (52 km) long, flowing from Lake St. Clair S into Lake Erie between Detroit, Mich., and Windsor, Ont.; it forms part of the U.S.-Canada boundary. It is one of the most heavily industrialized waterways in the United States; steel and chemical plants run along its coast.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.