People use boats for all kinds of reasons, and in the same way, there are all kinds, shapes, sizes, and ages of locks used for waterway navigation across the world. Freight is big business.

Construction on the Sosa locks is halted after it is decided ... due to the winding down of major excavation work. The improvements throughout the canal zone bring unprecedented numbers of wives ...

It is the locks that determine the capacity of the canal; and seeing that the width at present decided upon is only 100 feet, the canal engineers have decided that a reasonable regard for the ...

The Gatun Lake is 85 feet above sea level. How do the ships get raised and lowered? The canal has a water lock system that acts like a massive elevator. When ships enter the locks, they're raised ...