New county map of the state of Pennsylvania and adjoining states: showing the route of the Central & other rail roads &c. &c. : reduced from the large state map

Chicago citation style
Otley, J. W. New county map of the state of Pennsylvania and adjoining states: showing the route of the Central & other rail roads &c. &c. : reduced from the large state map. 1856. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4m90f485p. (Accessed July 18, 2018.)
APA citation style
Otley, J. W, (1856) New county map of the state of Pennsylvania and adjoining states: showing the route of the Central & other rail roads &c. &c. : reduced from the large state map. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4m90f485p
MLA citation style
Otley, J. W. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/4m90f485p>.
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