In late 1950, amid escalating cold-war tensions, the U.S. Atomic Energy Commission announced plans to construct facilities to produce plutonium and tritium for use in hydrogen bombs. One such facility, the Savannah River Plant, was built at a cost of $1.3 billion at a site that encompassed more than 315 square miles in South Carolina's Barnwell, Allendale, and Aiken counties. Some fifteen hundred families residing in small communities within the new plant's borders were forced to leave their homes. The largest of the affected towns was Ellenton, in Aiken County, with a population of 760...