Creator(s): War Department. Office of the Chief Signal Officer. (8/1/1866 - 9/18/1947) (Most Recent)
Series: Mathew Brady Photographs of Civil War-Era Personalities and Scenes, 1921 - 1940
Record Group 111: Records of the Office of the Chief Signal Officer, 1860 - 1985
Local Identifier: NWDNS-111-B-173
National Archives Identifier: 524592