Geologic atlas of the Wrens-Augusta area
MLA
Hetrick, John H. "Geologic atlas of the Wrens-Augusta area." University of Georgia. Map and Government Information Library. 1992, https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bn200-pg3-bs1-bg35-bno-p-b8.
APA
Hetrick, John H (1992). Geologic atlas of the Wrens-Augusta area. Retrieved from https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bn200-pg3-bs1-bg35-bno-p-b8
Chicago
Hetrick, John H. "Geologic atlas of the Wrens-Augusta area." 1992. October 25, 2026. https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bn200-pg3-bs1-bg35-bno-p-b8.
