1. Aeroradiometric map and geologic interpretation of part of the Florence and Georgetown 1⁰?x 2⁰?quadrangles, South Carolina Yale Public content 1989. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. South Carolina, Florence Region, and Georgetown Region.