"Oceanographic Office" . . . "U.S. Navy Hydrographic Office" . . . . . . "Hydrographic Office" . . . . . . . . . . . "Naval Hydrographic Office" . . . . "U.S. Naval Hydrographic Office" . . . "NAVO" . "US Hydrographic Office" . . "U.S. Hydrographic Office" . "1000" . "Navy Hydrographic Office" . "U.S. Naval Oceanographic Office" . "Naval Oceanographic Office" . "1962" . . "US Naval Oceanographic Office" . . . . . . "Naval Oceanographic Office" . . "U.S. Navy's Hydrographic Office" . . .