The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Panama. Canal Zone. Gatun. Street Scene. Native Village. I. L. Maduro
Installing Lock Gates at Gatun. Panama Canal. I. L. Maduro
Submarinos Americanos Clase C En Las Exclusas De Gatun. Canal De Panama. I. L. Maduro. Cathedral Square
Gatun Spillway for Discharging Surplus Water from Gatun Lake. Panama Canal. I. L. Maduro
East Chamber looking north Gatun locks. Panama Canal. I. L. Maduro
Mitre sill for gates. Gatun locks. Panama Canal. I. L. Maduro
64B. U. S. Navy Transport Henderson in the Middle West Chamber. Gatun Locks. Panama Canal. I. L. Maduro. 1929
Vapor President Garfield Dollar Line en El Corte Gaillard. S. S. President Garfield. Dollar Line in Gaillard Cut. Panama Canal. I. L. Maduro Jr