1. Publications. Hydrographic Office, Navy Department, Washington, D. C., founded by Executive order, 1830, established by act of Congress, 1866 [circular of information on publications of Hydrographic Office]. Bookmark Corporate/Agency Authors: Hydrographic Office, Navigation Bureau, and Navy Department Publisher: Hydrographic Office Date: [1936.] SuDoc number: N 6.5/2:C 38/9