United States, Hydrographic Office. From British surveys between 1888 and 1898. Depths shown by soundings; relief by spot heights 1935 variation compasses Longitudinal and latitudinal... Hydrographic Office,.
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United States, Hydrographic Office. and Bayfield, Henry Wolsey, 1795-1885. From British Surveys ; Published April 1875 at the Hydrographic Office, Washington D.C. ; R. H. Wyman Commo. U.S.N. Hydrographer to the Bureau of N... Hydrographic Office,.