UPSON COUNTY, situated in the west part of Georgia, with Flint river on the southwest. Area, 225 square miles. Face of the country, mountainous. Seat of justice, Thomaston. Pop. in 1830, 7,013; in 1840, 9,408; in 1850, 9,424.

UNION COUNTY, situated on the north boundary of Georgia. Area, 600 square miles. Face of the country, hilly and mountainous. Seat of justice, Blairsville. Pop. in 1840, 3,152; In 1850, 7,234.

TWIGGS COUNTY, situated in the central part of Georgia, with Ocmulgee river on the southwest. Area, 410 square miles. Seat of justice, Marion. Pop. 1810, 3,405; in 1820, 10,447; in 1830, 8,031; in 1840, 8,422; in 1850, 8,179.

TROUP COUNTY, situated on the west boundary of Georgia, and unversed by Chattahoochee river. Area, 430 square miles. Seat of justice, La Grange. Pop. in 1830, 5,799; in 1840, 15,733; in 1850, 16,879.

THOMAS COUNTY, situated on the south boundary of Georgia. Area, 1,089 square miles. Seat of justice, Thomasville. Pop. in 1830, 3,299; in 1840, 6,766; in 1850, 10,103.

TELFAIR COUNTY, situated in the southerly part of Georgia, and traversed by Ocmulgee river. Area, 950 square miles. Seat of justice, Jacksonville. Pop. in 1810, 744; in 1820, 2,104, in 1830, 2,136; in 1840, 2,763; in 1850, 3,026.

Tatnall County, Ga., c. h. at Perry's Mills, is bounded N.E. by Canouchee River or Bullock co., S.E. by Liberty and Wayne, N.W. by Emanuel, W. by Telfair and Montgomery, and S. by Appling. On the western boundary of this county the Oconee and Ockmulgee Rivers unite, and form the Alatamaha. The Alatamaha winds S.E. along the county, and receives Great Ohoopce from the N.

TALIAFLERRO COUNTY, situated in the easterly part of Georgia. Area, 130 square miles. Seat of justice, Crawfordsville. Pop in 1830, 4,934; in 1840, 5,190; in 1850, 5,146.

TALBOT COUNTY, situated in the westerly part of Georgia, with Flint river on the northeast. Area, 400 square miles. Seat of justice, Talbotton. Pop. in 1830, 5,940; in 1840, 15,627; in 1850, 16,534.