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Dubuque topographic maps
Click on a map to view its topography, its elevation and its terrain.
Mississippi River
United States > Wisconsin > Grant County > Dubuque
The uppermost lock and dam on the Upper Mississippi River is the Upper St. Anthony Falls Lock and Dam in Minneapolis. Above the dam, the river's elevation is 799 feet (244 m). Below the dam, the river's elevation is 750 feet (230 m). This 49-foot (15 m) drop is the largest of all the Mississippi River locks…
Average elevation: 666 ft