Fort Jones, with its companion, Fort Laughlin were Civil War redoubts, built by the employees of Jones and Laughlin Steel in June and July 1863 for the defense of Pittsburgh from a suspected invasion by Confederate troops.
It is named for Benjamin Franklin Jones, a local businessman.
Fort Jones occupied the top of a hill in Mount Oliver, Pennsylvania.
[3] It was sometimes known as Fort Jackson, in honor of Brig.
General Conrad Feger Jackson, killed in the Battle of Fredericksburg, Virginia, in December 1862.