Modern Marvels

Season 14, Episode 11

Episode Title: Dams

Air Date: 2007-03-28

Overview:

Dams - one of man's greatest accomplishments are explored. The history of dams from construction to demolition and their impact on the environment. Beavers and their dams and construction of embankment dams and larger Hydroelectric dams such as Three Gorges, Hoover, and Grand Coulee are explored.