Iowa-Illinois, Savanna sheet : reconnaissance map

Chicago citation style
Geological Survey (U.S.). Iowa-Illinois, Savanna sheet : reconnaissance map. 1916. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/95c8c650-82d4-0134-1f08-0050569601ca-6. (Accessed March 29, 2024.)
APA citation style
Geological Survey (U.S.), (1916) Iowa-Illinois, Savanna sheet : reconnaissance map. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/95c8c650-82d4-0134-1f08-0050569601ca-6
MLA citation style
Geological Survey (U.S.). Retrieved from the Digital Public Library of America <https://digital.library.illinois.edu/items/95c8c650-82d4-0134-1f08-0050569601ca-6>.
Note: These citations are programmatically generated and may be incomplete.