Geologic atlas of the Fort Valley area
MLA
Hetrick, John H. "Geologic atlas of the Fort Valley area." University of Georgia. Map and Government Information Library. 1990, https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bn200-pg3-bs1-bg35-bno-p7.
APA
Hetrick, John H (1990). Geologic atlas of the Fort Valley area. Retrieved from https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bn200-pg3-bs1-bg35-bno-p7
Chicago
Hetrick, John H. "Geologic atlas of the Fort Valley area." 1990. October 12, 2026. https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bn200-pg3-bs1-bg35-bno-p7.