Map of a part of Sturgeon Bay and Lake Michigan showing proposed route for a ship canal

Chicago citation style
Casgrain, William T. Map of a part of Sturgeon Bay and Lake Michigan showing proposed route for a ship canal. 1872. Retrieved from the Digital Public Library of America, http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/1560. (Accessed December 12, 2019.)
APA citation style
Casgrain, William T, (1872) Map of a part of Sturgeon Bay and Lake Michigan showing proposed route for a ship canal. Retrieved from the Digital Public Library of America, http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/1560
MLA citation style
Casgrain, William T. Retrieved from the Digital Public Library of America <http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/1560>.
Note: These citations are programmatically generated and may be incomplete.