United States base map / United States Department of the Interior, Geological Survey ; compiled by Henry Gannett

Chicago citation style
Geological Survey (U.S.). United States base map / United States Department of the Interior, Geological Survey ; compiled by Henry Gannett. 1936. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/6527. (Accessed April 19, 2024.)
APA citation style
Geological Survey (U.S.), (1936) United States base map / United States Department of the Interior, Geological Survey ; compiled by Henry Gannett. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/6527
MLA citation style
Geological Survey (U.S.). Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/6527>.
Note: These citations are programmatically generated and may be incomplete.