Curated OER
Educational Technology Clearinghouse: Maps Etc: The Isthmus of Tehuantepec, 1852
A map from 1852 of the Isthmus of Tehuantepec in Mexico, showing the proposed railroad route connecting the Gulf of Mexico and the Pacific. This was an alternative proposal to the construction of the Panama or Nicaragua canals, and was...
Curated OER
Etc: Proposed Isthmian Canal Routes, 1848 1884
A map of the proposed isthmian canal routes in Nicaragua and Panama between 1848-1884. The map shows the two chief proposals, the Nicaraguan from Greytown on the Caribbean to Lake Nicaragua and Brito on the Pacific, and the Panama...