Monsoon & trade wind chart of the Indian Ocean [cartographic material] / by M.F. Maury, L.L.D. Comr. U.S.N., Superintendent of U.S.N. Observatory ; compiled by Lieuts. J.J. Guthrie ... [et al.] ; and projected by Lt. R.L. May from materials in the Bureau of Ordnance and Hydrography, Captain D.N. Ingraham, Chief of the Bureau.


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