Illinois (Champaign County), Urbana quadrangle : topography

Chicago citation style
Geological Survey (U.S.). Illinois (Champaign County), Urbana quadrangle : topography. 1906. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/a75ea120-994e-0134-2096-0050569601ca-9. (Accessed March 29, 2024.)
APA citation style
Geological Survey (U.S.), (1906) Illinois (Champaign County), Urbana quadrangle : topography. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/a75ea120-994e-0134-2096-0050569601ca-9
MLA citation style
Geological Survey (U.S.). Retrieved from the Digital Public Library of America <https://digital.library.illinois.edu/items/a75ea120-994e-0134-2096-0050569601ca-9>.
Note: These citations are programmatically generated and may be incomplete.