Traces the geography of the Columbia River from its source in British Columbia to its mouth at the Pacific Ocean, and examines the role of the river in the history and settlement of the United States.
Examines the history of the Colorado River, discusses its role in the lives of people in the American Southwest, and looks at concerns about dropping water levels in the later decades of the twentieth century.
Traces the history of the Missouri River from prehistoric through modern times, discussing how people have used it for exploration, commerce, and recreation.
Examines the history of the Mississippi River, discusses its role in the development of the United States, and in the lives of the people who live and work on or near the river, and considers its place in modern American life.
Photographs and easy-to-follow text describe the Ohio River, the people and businesses found along its coast, its history, th pollution that threatens it, and other related topics.
