Counties Impacted
Marion
Ralls
Monroe
Randolph
Route Impacted
24
In Progress
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Mark Twain Lake

Mark Twain Lake

Mark Twain Lake is located in Ralls County, Missouri and Monroe County, Missouri. It was created by the Clarence Cannon Dam (formerly called Joanna Dam) impounding the Salt River and is located about 20 miles (32 km) southwest of Hannibal. The lake was named for Missouri author Mark Twain and part of the area around it is Mark Twain State Park. The village of Florida, birthplace of Mark Twain, is mostly surrounded by the lake.

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