Share to Google Classroom Cotton in bloom in Florence County, August 30, 1967. Photo by L.W. Riley. Courtesy of the Clemson University Libraries. Grades: 3 4 5 6 7 8 9 10 11 12 Subject: Social Studies Collection: Explore South CarolinaAgriculture | Explore South CarolinaSouth Carolina CountiesFlorence | SC Counties Series: History of SC Slide CollectionE. Economic Activity in South Carolina | History of SC Slide CollectionE. Cotton