Illinois, Orion quadrangle

Chicago citation style
Geological Survey (U.S.). Illinois, Orion quadrangle. 1937. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/97964230-82d4-0134-1f08-0050569601ca-c. (Accessed March 29, 2024.)
APA citation style
Geological Survey (U.S.), (1937) Illinois, Orion quadrangle. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/97964230-82d4-0134-1f08-0050569601ca-c
MLA citation style
Geological Survey (U.S.). Retrieved from the Digital Public Library of America <https://digital.library.illinois.edu/items/97964230-82d4-0134-1f08-0050569601ca-c>.
Note: These citations are programmatically generated and may be incomplete.