Alabama -- Georgia Sulphur Springs quadrangle /
MLA
Geological Survey (U.S.). "Alabama -- Georgia Sulphur Springs quadrangle /." University of Georgia. Map and Government Information Library. 1970, https://dlg.usg.edu/record/dlg_topos_usgs75-sulphursprings-1946-1972#item.
APA
Geological Survey (U.S.) (1970). Alabama -- Georgia Sulphur Springs quadrangle /. Retrieved from https://dlg.usg.edu/record/dlg_topos_usgs75-sulphursprings-1946-1972#item
Chicago
Geological Survey (U.S.). "Alabama -- Georgia Sulphur Springs quadrangle /." 1970. October 12, 2026. https://dlg.usg.edu/record/dlg_topos_usgs75-sulphursprings-1946-1972#item.
