John Crawford Vaughn

Historical marker location:

229 E Warren St., Madisonville, Tennessee

( Marker is at the intersection of Warren Street and Tellico Street North, on the right when traveling west on Warren Street.)

Feb. 21, 1824 - Sept. 10, 1875.

The largest underground lake in the United States is located in Tennessee. The Lost Sea, located in Sweetwater, Tennessee, covers over four acres and is home to a variety of unusual creatures, including blind fish and crayfish.