By A Mystery Man Writer
An unexploded artillery shell was discovered at Gettysburg National Military Park.
Unexploded shell found on the Gettysburg battlefield today.
Civil War artillery shell discovered at Gettysburg
Spring Grove's historic Hoke House gets $10,000 in pledges to save it
Comings and Goings: Marketing group engages Black people in travel
Archeologists Unearthed a Civil War-Era Live Artillery Shell
Types of artillery used in the American Civil War
Original U.S. Civil War Union Army 3” Schenkl Artillery Shell Found at – International Military Antiques
The Artillery Reserve of the Army of the Potomac - Warfare History Network
Civil War cannon shell, unearthed near Hanover, never exploded: Linked in to York County history, Oct. 10, 2012 - York Town Square