Symposium on the Economic Geology of the Southeastern Industrial Minerals (1989 : Atlanta, Ga.). "Proceedings of the Symposium on the Economic Geology of the Southeastern Industrial Minerals." University of Georgia. Map and Government Information Library. 1991, https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bn200-pg3-bb1-bno-p-b120.

Symposium on the Economic Geology of the Southeastern Industrial Minerals (1989 : Atlanta, Ga.) (1991). Proceedings of the Symposium on the Economic Geology of the Southeastern Industrial Minerals. Retrieved from https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bn200-pg3-bb1-bno-p-b120

Symposium on the Economic Geology of the Southeastern Industrial Minerals (1989 : Atlanta, Ga.). "Proceedings of the Symposium on the Economic Geology of the Southeastern Industrial Minerals." 1991. October 2, 2026. https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bn200-pg3-bb1-bno-p-b120.