Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.
Dahlgren Rifle 30-Pounder, Invented by Rear Admiral Dahlgren Marker
Photographer: Devry Becker Jones (CC0)
Taken: March 10, 2018
Caption: Dahlgren Rifle 30-Pounder, Invented by Rear Admiral Dahlgren Marker
Submitted: March 10, 2018, by Devry Becker Jones of Washington, District of Columbia.
Database Locator Identification Number: p418733
File Size: 3.275 Megabytes

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