Eads' Ironclads

Historical marker location:

104 Courtois Street, Saint Louis, Missouri

( Marker is on South Broadway just north of Courtois Street, on the left when traveling north.)

A State Divided: The Civil War in Missouri. Missouri Department of Natural Resources

The town of Bonne Terre, Missouri, has the largest underground lake in the United States. The Bonne Terre Mine was once one of the world's largest lead mines, but is now a popular scuba diving destination.