Rhine Canals. Among the chief canals linking the Rhine with other river systems are the Rhine-Rhône Canal, 217 mi (349 km) long (built 1784–1833, now unimportant), connecting with the Rhône River through the Saône River; the Rhine-Marne Canal, 195 mi (314 km) long (built 1841–52); and the Dortmund-Ems Canal, 165 mi (266 km) long (built 1892–99), and the Rhine-Herne Canal, 24 mi (39 km) long (built 1907–14), connecting the Rhine with the West German port of Emden. The Rhine-Main-Danube Canal, opened in 1992, links waterway systems between the North Sea and the Black Sea. Its waters are also used to generate electricity.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
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