Focusing on globalization in the late nineteenth and early twentieth centuries, Jessica Teisch examines the processes by which American water and mining engineers who rose to prominence during and after the California Gold Rush of 1849 exported the United States' growing technical and environmental knowledge and associated social and political institutions. In the frontiers of Australia, South Africa, Hawaii, and Palestine--semiarid regions that shared a need for water to support growing populations and economies--California water engineers applied their expertise in irrigation and mining...