Chart of the ports of Laventosa & Salina Cruz According to the survey made in December 1850 for the Tehuantepec Rail Road Company, New Orleans / by their Engineer P.E. Trastour. New Orleans, October 11, 1851 Engr. by J. Schedler.
Relief shown pictorially and by hachures; depths shown by soundings and isolines.; Publication information from accompanying title page of hosting item: Maps illustrating the isthmus of Tehuantepec.; From: Maps illustrating the isthmus of Tehuantepec. New York, 1852. Map no. 7.
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