East Ridge quadrangle Georgia-Tennessee : 7.5 minute series (topographic) /
MLA
Geological Survey (U.S.). "East Ridge quadrangle Georgia-Tennessee : 7.5 minute series (topographic) /." University of Georgia. Map and Government Information Library. 1975, https://dlg.usg.edu/record/dlg_topos_usgs75-eastridge-1969-1975#item.
APA
Geological Survey (U.S.) (1975). East Ridge quadrangle Georgia-Tennessee : 7.5 minute series (topographic) /. Retrieved from https://dlg.usg.edu/record/dlg_topos_usgs75-eastridge-1969-1975#item
Chicago
Geological Survey (U.S.). "East Ridge quadrangle Georgia-Tennessee : 7.5 minute series (topographic) /." 1975. October 12, 2026. https://dlg.usg.edu/record/dlg_topos_usgs75-eastridge-1969-1975#item.
