Region
Pennsylvania
20
United States
17
Mexico
2
New Jersey
2
Philadelphia
2
Titusville (Pa.)
2
Angelsberg
1
Arabian Peninsula
1
Bayonne
1
Crawford County (Pa.)
1
Foreign countries
1
Mississippi
1
New Hampshire
1
North America
1
Oil Region National Heritage Area (Pa.)
1
Parker
1
Parker (Pa.)
1
Penn
1
Pennsy
1
Philad
1
Philadelphi
1
Pithole (Pa.)
1
Pitt
1
Pittsburg
1
Saudi Arabia
1
Sweden
1
Titusville
1
Venango County
1
Venango County (Pa.)
1