St. Charles Rock Road

Historical marker location:

500 Chestnut Street, Saint Louis, Missouri

( Marker is on North Broadway south of Chestnut Street, on the right when traveling south.)

Marker installed: 1913

Boone's Lick Road. St. Louis

The Missouri State Penitentiary, located in Jefferson City, was once the oldest operating prison west of the Mississippi River. It opened in 1836 and closed in 2004.