1. Preliminary geologic map of the Savannah River site, Aiken, Allendale, and Barnwell counties, South Carolina [microform] Yale Public content 1994. 2002-06-01T04:00:00Z. 2016-06-16T15:42:45Z. Geological Survey (U.S.). The Survey ; Open-File Reports Section, distributor. English. Public. South Carolina and Savannah River Site.