United States Hydrographic Office

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United States Hydrographic Office

Seal of the USHO
Agency overview
Formed	June 21, 1866
Dissolved	July 10, 1962
Jurisdiction	Department of the Navy

The United States Hydrographic Office (USHO) prepared and published maps, charts, and nautical books required in navigation. The office was established by an act of 21 June 1866 as part of the Bureau of Navigation, Department of the Navy. It was transferred to the Department of Defense on 10 August 1949. The office was abolished on 10 July 1962, replaced by the Naval Oceanographic Office.^[1]