(See below for:
History of County Formations in Text,
County Abbreviations,
Discontinued Pennsylvania Counties, and
Destroyed Court Houses.)
(These maps are best viewed at 1024 x 768 dpi.)
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(There are 67 counties.)
Pennsylvania County Abbreviations
Ad =Adams
Al =Allegheny
Ar =Armstrong
Bea=Beaver
Bed=Bedford
Ber=Berks
Bl =Blair
Br =Bradford
Buc=Bucks
But=Butler
Car=Carbon
Cbr=Cambria
Cen=Centre
Ch =Chester
Cla=Clarion
Cle=Clearfield
Cli=Clinton
Co =Columbia
Cr =Crawford
Crn=Cameron
Cu =Cumberland
Da =Dauphin
De =Delaware
Elk=Elk
Er =Erie
Fa =Fayette
Fo =Forest
Fr =Franklin
Fu =Fulton
Gr =Greene
Hu =Huntingdon
In =Indiana
Je =Jefferson
Ju =Juniata
Lac=Lackawanna
Lan=Lancaster
Law=Lawrence
Leb=Lebanon
Leh=Lehigh
Lu =Luzerne
Ly =Lycoming
McK=McKean
Me =Mercer
Mi =Mifflin
Mro=Monroe
Mtr=Montour
Mty=Montgomery
Nhn=Northampton
Nud=Northumbert
Pe =Perry
Ph =Philadelphia
Pi =Pike
Po =Potter
Sc =Schuylkill
Sn =Snyder
So =Somerset
Sul=Sullivan
Sus=Susquehanna
Ti =Tioga
Un =Union
Ve =Venango
War=Warren
Was=Washington
Way=Wayne
We =Westmoreland
Wy =Wyoming
Yor=York
Pennsylvania Discontinued Counties