Recherche dans la collection - Wind and current charts. Trade wind chart of the Atlantic Ocean by M.F. Maury, L.L.D. Lieut. U.S.N. Superintendent National Observatory. Compiled by Lt. E.J. Dehaven U.S.N. from materials in the Bureau of Ordnance and Hydrography. Commodore Chs. Morris, Chief of Bureau. [Washington : United States Hydrographical Office]. January 1851. Reprinted April 1858. [cartographic material]