1807
Humboldt, Alexander von, 1769-1859
1:2m
1922
Mexico. Direccion de Estudios Geográficos y Climatologicos
1858
Garcia Cubas, Antonio, 1832-1912
1886
1899
1:5m
1951
United States. Air Force
1:500k
1883
(U.S. War Department) Office of the Chief of Engineers, U.S.A.
1:475k
1931
Johst, Paul Spener
1908
General de Correos Seccion de Transportes.
1:1m
1866
Holdredge, Sterling M.
1:3m
