From April 22 to May 19, 1953, airborne radioactivity surveys totalling 5,600 traverse miles were made in 10 areas in Florida (Moxham, 1954). Abnormal radioactivity was recorded in Bradford, Clay, DeSoto, Dixie, Lake, Marion, Orange, Sumter, Taylor, and Union Counties, Florida. Additional airborne surveys were made in the Spring of 1954 in Hardee and Manatee Counties, Florida, on the drainage of the Altamaha River in Georgia, and in the area of the old phosphate workings in and around Charleston County, South Carolina.