Citations are generated automatically from bibliographic data as
a convenience, and may not be complete or accurate.
Chicago citation style:
Geological Survey, U.S, and Pennsylvania. Bureau Of Topographic And Geologic Survey. Cumberland County, Pennsylvania. Reston, Va, 1976. Map. https://www.loc.gov/item/78690940/.
APA citation style:
Geological Survey, U. S. & Pennsylvania. Bureau Of Topographic And Geologic Survey. (1976) Cumberland County, Pennsylvania. Reston, Va. [Map] Retrieved from the Library of Congress, https://www.loc.gov/item/78690940/.
MLA citation style:
Geological Survey, U.S, and Pennsylvania. Bureau Of Topographic And Geologic Survey. Cumberland County, Pennsylvania. Reston, Va, 1976. Map. Retrieved from the Library of Congress, <www.loc.gov/item/78690940/>.