Wind and current chart of the North Atlantic [cartographic material] : thermal sheet / by M.F. Maury, A.M. Lieut. U.S. Navy, Superint'dt. of U.S.N. Observatory ; compiled from materials in the Bureau of Ordnance and Hydrography, Commodore Lewis Warrington, Chief of Bureau ; drawn by Lt. Benjn. S. Gantt, U.S.N.


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