Pickwick

Chicago citation style
Geological Survey (U.S. Pickwick. 1973. Retrieved from the Digital Public Library of America, http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/2807. (Accessed December 9, 2019.)
APA citation style
Geological Survey (U.S, (1973) Pickwick. Retrieved from the Digital Public Library of America, http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/2807
MLA citation style
Geological Survey (U.S. Retrieved from the Digital Public Library of America <http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/2807>.
Note: These citations are programmatically generated and may be incomplete.