This PBS series recounts both the engineering triumphs and the ecological disasters involved in the control of water and the transformation of nature. This second program studies the history of the Colorado River, from the arrival of the first white sett lers through the construction of Hoover Dam to a proposal to dam the Grand Canyon. Produced, written and directed by Jon Else; based on the book by Marc Reisner. Narrated by Alfre Woodard.