Cite This Item
MLA
Bownocker, J. A. (John Adams). Geologic map of Ohio. Columbus, Ohio: Geological Survey of Ohio, 1920. Web. 29 Mar 2024. <https://ark.digitalcommonwealth.org/ark:/50959/4m90f867k>.
APA
Bownocker, J. (1920). Geologic map of Ohio [Map]. Retrieved from https://ark.digitalcommonwealth.org/ark:/50959/4m90f867k
Chicago
Bownocker, J. A. (John Adams). "Geologic map of Ohio." Map. Columbus, Ohio: Geological Survey of Ohio, 1920. Digital Commonwealth, https://ark.digitalcommonwealth.org/ark:/50959/4m90f867k (accessed March 29, 2024).