American Zinc Building

Historical marker location:

20 S 4th St, Saint Louis, Missouri

( Marker is at the intersection of South 4th Street and Walnut Street, on the right when traveling north on South 4th Street.)

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.