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Geographical Introduction
35
very broad gage, on which huge flat-cars would carry the largest vessels of the time from ocean to ocean. Like the Darien ship-tunnel, the increasing size of ships made this ingenious project impossible. The present
CROSS-SECTION OF PROPOSED SHIP TUNNEL,
SAN BLAS ROUTE.
Tehuantepec Railroad is a standard gage road, doing a thriving business in carrying transcontinental freight. This has been temporarily, if not permanently, reduced by the opening of the Panama Canal.
