History of the Panama Canal - Wikipedia
Panama Canal - Wikipedia
Snapshot of the animation that shows the transits and the salinity
File:Panama Canal Miraflores Locks flickr.jpg - Wikipedia
Panama Canal Railway - Wikipedia
Naval Base Panama Canal Zone - Wikipedia
Before the Americans Built the Panama Canal
Panama Canal expansion project - Wikipedia
Suez Canal - Wikipedia
Panama Canal Department - Wikipedia
Panama Canal - Wikipedia
Panama Canal implements speed limit to increase marine safety for