Chicago Loop Quadrangle : [Cook County, Illinois] : 7.5 minute series (topographic) / United States, Department of the Interior, Geological Survey

Chicago citation style
Geological Survey (U.S.). Chicago Loop Quadrangle : [Cook County, Illinois] : 7.5 minute series (topographic) / United States, Department of the Interior, Geological Survey. 1972. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/4569. (Accessed March 28, 2024.)
APA citation style
Geological Survey (U.S.), (1972) Chicago Loop Quadrangle : [Cook County, Illinois] : 7.5 minute series (topographic) / United States, Department of the Interior, Geological Survey. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/4569
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/4569>.
Note: These citations are programmatically generated and may be incomplete.