A map from 1919 of the Panama Canal Zone showing the completed canal, the Panama Railway, the locks, breakwaters and dams, the Caribbean entry at Colon and Pacific entry at the City of Panama, the boundary with the Republic of Panama,...

The Panama Canal Zone and route of the Panama Canal. The Panama Railroad line between Colon and Panama City is shown, as well as he Gantun locks, Pedro Miguel locks, and the Miraflores locks. Natural features include Limon Bay, Gatun...

A map from 1901 of the political and physical features of Africa. The map uses color-contouring to show highlands above 2000 feet in buff tints, lowlands in greens, and the submerged part of the continental plateau in light blue. The map...