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Mississippi River topographic map
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Mississippi River
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 and dams. The origin of the dramatic drop is a waterfall preserved adjacent to the lock under an apron of concrete. Saint Anthony Falls is the only true waterfall on the entire Mississippi River. The water elevation continues to drop steeply as it passes through the gorge carved by the waterfall.
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About this map
Name: Mississippi River topographic map, elevation, terrain.
Average elevation: 587 ft
Minimum elevation: 548 ft
Maximum elevation: 699 ft
Scott County trails, hiking, mountain biking, running and outdoor activities
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Other topographic maps
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Panorama Park
United States > Iowa > Scott County > Pleasant Valley Township
Average elevation: 623 ft