An unexploded artillery shell was discovered at Gettysburg National Military Park.
Hotchkiss Artillery Shell - Gettysburg / SOLD Civil War Artifacts - For Sale in Gettysburg
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Civil War artillery shell discovered at Gettysburg
160-Year-Old Civil War Artillery Shell Found at Gettysburg, Smart News
A few artillery shells I acquired this weekend : r/CIVILWAR
Civil War artillery shell discovered at Gettysburg