Philadelphia and vicinity transportation map : Highways, railroads, canals, air lanes, and dredged channels / compiled and printed by the U.S. Geological Survey for the Public Roads Administration ; subsequent revisions by the Public Roads Administration

Chicago citation style
United States. Public Roads Administration. Philadelphia and vicinity transportation map : Highways, railroads, canals, air lanes, and dredged channels / compiled and printed by the U.S. Geological Survey for the Public Roads Administration ; subsequent revisions by the Public Roads Administration. 1943. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/6562. (Accessed March 28, 2024.)
APA citation style
United States. Public Roads Administration, (1943) Philadelphia and vicinity transportation map : Highways, railroads, canals, air lanes, and dredged channels / compiled and printed by the U.S. Geological Survey for the Public Roads Administration ; subsequent revisions by the Public Roads Administration. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/6562
MLA citation style
United States. Public Roads Administration. Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/6562>.
Note: These citations are programmatically generated and may be incomplete.