The National Archives at Philadelphia

By Alina Josan
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Exhibition Overview

Explore the exhibition by linking below or by clicking "Next".

The explosion at the Arsenal and the relevance of the Battle of Antietam.

Allegheny Arsenal
Background to the arsenal, including layout.

John Symington
Commander of the Arsenal

Alexander McBride

Courtesy of the Library of Congress
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Employee, inventor

The Workers
Explore who they were

Come Investigate
A deeper look at the people and evidence available on this explosion. Use the documents to help YOU decide what happened.


The National Archives at Philadelphia >

The U.S. National Archives and Records Administration
1-86-NARA-NARA or 1-866-272-6272