Question: Dunbarton was a town in Barnwell County, South Carolina, United States, in 1951, it was acquired by the U.S. Atomic Energy Commission as part of a site for which nuclear reservation in the United States in the state of South Carolina, located on land in Aiken, Allendale, and Barnwell counties adjacent to the Savannah River, 25 mi southeast of Augusta, Georgia?
Sentence (from "Savannah River Site"): The site was built during the 1950s to refine nuclear materials for deployment in nuclear weapons.
Relevant evidence: No