The Columbia Encyclopedia, Sixth Edition. 2001-07.
Detroit, river, United States and Canada
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.