The Missouri State Penitentiary, was a prison in Jefferson City, Missouri, that operated from 1836-2004. Part of the Missouri Department of Corrections, it served as the state of Missouri's primary maximum security institution.^[2] Before it closed, it was the oldest operating penal facility west of the Mississippi River. It was replaced by the Jefferson City Correctional Center, which opened on September 15, 2004.^[3]

• http://en.wikipedia.org/wiki/Missouri State Penitentiary