Geological Survey (U.S.)U.S. Coast and Geodetic Survey.Tennessee Valley Authority. Maps and Survey Division.United States, Georgia, Dade County, 34.85452, -85.50453United States, Georgia, Walker County, 34.73566, -85.30098Geological Survey (U.S.)1947Relief shown by contours and spot heights."Maps distributed by the Geological Survey.""Topography by Geological Survey from aerial photographs by stereophotogrammetric mthods.""Control by USC&GS, USGS, GGS, and TVA.""Field examination by Tennessee Valey Authority, 1946.""Contour interval 20 feet."engEdition of 1947.Scale 1:24,000 ; Polyconic proj. (W 85°30′--W 85°22′30″/N 34°52′30″--N 34°45′).[Washington, D.C.] : U.S. Geological Survey, 1947.http://rightsstatements.org/vocab/NoC-US/1.0/Georgia--Maps, TopographicDade County (Ga.)--Maps, TopographicWalker County (Ga.)--Maps, TopographicGeorgia Durham quadrangle /Durham quadrangleDurham, GA.StillImage