What counties border the state of Pennsylvania?

Citations are generated automatically from bibliographic data as a convenience, and may not be complete or accurate.

Chicago citation style:

Krebs, Otto. Map of Allegheny County, Pennsylvania,: with adjoining parts of Westmoreland, Washington & Beaver counties. [Pittsburgh: Otto Krebs, 1890] Map. https://www.loc.gov/item/2012592153/.

APA citation style:

Krebs, O. (1890) Map of Allegheny County, Pennsylvania,: with adjoining parts of Westmoreland, Washington & Beaver counties. [Pittsburgh: Otto Krebs] [Map] Retrieved from the Library of Congress, https://www.loc.gov/item/2012592153/.

MLA citation style:

Krebs, Otto. Map of Allegheny County, Pennsylvania,: with adjoining parts of Westmoreland, Washington & Beaver counties. [Pittsburgh: Otto Krebs, 1890] Map. Retrieved from the Library of Congress,.

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