Wholesale Map of the Tehuantepec Railroad : from Jaltipec River to Boca Del Monte (Tehuantepec Railroad, from Jaltipec River to Boca Del Monte) 1851

Old manuscript map of Isthmus of, Mexico, Tehuantepec, Tehuantepec, Isthmus of. Created by Tehuantepec Railway Company in 1851. * A proposed railroad route across the Isthmus of Tehuantepec. * Also shows alternative routes, roads, streams, and settlements. * Relief shown pictorially and by contours and spot heights. * Manuscript: Pencil, pen-and-ink (black and red) and watercolors. * Handwritten note attached on looseleaf paper In top left corner: Tehuantepec Railway Company. Map of the Tehuantepec Railroad from Jaltipec river to Boca del Monte, 1851. [anon. Ms.] fold. 35 x 139, [n.p. 1851]. * Accompanied by six manuscript sheets of an unidentified sketch map of a segment related to the railroad showing a large stream containing what appear to be soundings.