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Ramsey Island topographic map
Click on the map to display elevation.
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About this map
Name: Ramsey Island topographic map, elevation, terrain.
Location: Ramsey Island, Louisa County, Iowa, United States (40.94253 -91.42570 41.58253 -90.78570)
Average elevation: 203 m
Minimum elevation: 158 m
Maximum elevation: 257 m
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Other topographic maps
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Mississippi River
United States > Iowa > Louisa County > New Boston
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: 169 m