- Tennessee Valley Authority, Division of Land Planning and Housing1
- The State Company (Columbia, S.C.)1
- Thomas, Cowperthwait & Co. (Cartographers)1
- Thompson, R. (Surveyor)1
- Thornton, John, 1641-17081
- Tomlinson Engineering Co. 1
- Tomlinson Engineering Co. (Cartographer)1
- Tomlinson, G. W. (George W.)1
- Topography by H.M. Wilson, Albert Pike and Oscar Jones1
- Topography by W. Carvel Hall, W.M. Beaman, W.L. Miller, L.S. Leopold, and J.R. Eakin1
- Topography by W.L. Miller and L.L. Lee1
- Tuomey, M. (Michael) 1805-18571
- Tuomey, M. (Michael), 1805-18571
- U.S. Coast and Geodetic Survey1
- United States. Bureau of the Census1
- United States. Department of the Interior 1
- United States. General Land Office (publisher)1
- United States. Government Printing Office1
- United States. National Park Service1
- United States. Naval History Division1