Ga.-S.C.-N.C. Walhalla sheet /
MLA
Geological Survey (U.S.). "Ga.-S.C.-N.C. Walhalla sheet /." University of Georgia. Map and Government Information Library. 1910, https://dlg.usg.edu/record/dlg_topos_usgs30-walhalla-1892-1910#item.
APA
Geological Survey (U.S.) (1910). Ga.-S.C.-N.C. Walhalla sheet /. Retrieved from https://dlg.usg.edu/record/dlg_topos_usgs30-walhalla-1892-1910#item
Chicago
Geological Survey (U.S.). "Ga.-S.C.-N.C. Walhalla sheet /." 1910. May 30, 2026. https://dlg.usg.edu/record/dlg_topos_usgs30-walhalla-1892-1910#item.
