Irwin County, 1937: Aerial photography index
MLA
United States. Agricultural Stabilization and Conservation Service. Aerial Photography Division. "Irwin County, 1937: Aerial photography index." University of Georgia. Map and Government Information Library. 1937, https://dlg.usg.edu/record/gyca_gaphind_irwin-1937#item.
APA
United States. Agricultural Stabilization and Conservation Service. Aerial Photography Division (1937). Irwin County, 1937: Aerial photography index. Retrieved from https://dlg.usg.edu/record/gyca_gaphind_irwin-1937#item
Chicago
United States. Agricultural Stabilization and Conservation Service. Aerial Photography Division. "Irwin County, 1937: Aerial photography index." 1937. June 24, 2025. https://dlg.usg.edu/record/gyca_gaphind_irwin-1937#item.
