American Experience

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.

Aired: 01/24/11

Rating: NR

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Women in American History

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Women in American History

Women lead advancements in science, technology, politics, sports and activism—often fighting against inequity and opposition at every turn. In this collection, explore films, interviews, articles, image galleries and more for an in-depth look at notable female figures in American history.

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