Science: Tropical Research

A novel laboratory has been created in the Canal Zone. When the Canal was built, Gatun Dam was erected across the valley of the Chagres River. The result was the creation of not only a deep-water channel from the Gatun locks to Gaillard Cut, but also a great lake, some 164 square miles in extent, which developed from the drowning of the lands on both sides of the main channel. This body of water is known as Gatun Lake.

When the dam was completed and the waters of the Chagres backed up, flooding...

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