PBS
Pbs Learning Media: Hoover Dam
This video segment from "Building Big" demonstrates the basic principles at work in the Hoover Dam, a concrete gravity dam that also makes use of the properties of the arch. [1:18]
PBS
Pbs Learning Media: Hoover Dam and Hydroelectric Power
How does a dam generate electricity and what are the environmental impacts of operating these mammoth structures? Find out in this video segment adapted from Building Big. [3:53]