Rare Unexploded Artillery Shell Discovered at Gettysburg. Yes, Really.

Only five such shells have been found at the famed battlefield since 1980.

Whose Father Was He? (Part Five) - The New York Times

List of countries where metal detecting is allowed/banned

Civil War artillery shell discovered at Gettysburg

ethics

Civil War-era unexploded artillery shell found at Gettysburg

Whose Father Was He? (Part Five) - The New York Times

Battery A - 310th Field Artillery Battalion - 79th Division - WW2

History of the Fifth regiment of Rhode Island heavy artillery

Collections: Fortification, Part V: The Age of Industrial