- Purcell, Joseph2
- Robert Sayer and John Bennett (Firm)2
- Rogers, Henry D. (Henry Darwin), 1808-18662
- Romans, Bernard, approximately 1720-approximately 17842
- Samson, Joseph, 1815?-18862
- Samson, Joseph, 1815?-1886 (Surveyor)2
- Senf, John Christian2
- South Carolina Historical Society2
- Swanston, George H.2
- Swanton, John Reed, 1873-19582
- T.J. Pyles2
- Tanner, Benjamin, 1775-18482
- Tomlinson Engineering Company2
- Topography by C.M. Yeates2
- Topography by W.L. Miller2
- Triangulation by U.S. Coast and Geodetic Survey2
- United States. Army. Corps of Topographical Engineers (Cartographers)2
- University of South Carolina. Department of Geography. Cartography Lab2
- Van. H. Manning, in charge of section2
- Walker, William A.2