The Decision to Build a Lock Canal
Clip: Season 23 | 2m 22s
Stevens realized that building a sea level canal would doom the project to failure. His answer was to build a lock canal -- a highly mechanized and engineered waterway that would raise ships up over the continent through a series of lock chambers, ultimately solving the environmental challenges they were facing.
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Goethals made excavation of the Culebra Cut a top priority on the construction site.
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