The cover proclaims this a "story of hard times, tough people and the taming of a wild river." And that's exactly what it is-as well as an epic tale of adventure and danger. In bringing to life the history of this remarkable feat of modern engineering, Mann notes that at times from March 11, 1931, to February 29, 1936, more than 5000 men worked on the dam, often risking and sometimes losing their lives.
TCI LESSON 11: A CASE STUDY IN WATER USE: THE COLORADO RIVER