Layout of the Allegheny Arsenal Grounds
This drawing represents the layout of the Allegheny Arsenal as it existed when the Historic American Buildings Survey
(HABS) recorded it in the 1930s. The beige highlighted section corresponds to the area where the 1862 explosion occurred.
U.S. Allegheny Arsenal, Fortieth, Thirty-Ninth & Butler Streets, Penn Avenue, Pittsburgh, Allegheny, PA, from the Historic American Buildings Survey, within the Prints and Photographs Division, Library of Congress, Washington, D.C.