Showing Our Pennsylvania: Keys To The Keystone State by Amy Oakley

Important places

• Altoona (25)
• Philadelphia (1,090)
• Pittsburgh (1,171)

Counties

• Allegheny (1,224)
• Blair (30)
• Philadelphia (1,109)

Regions

• Pennsylvania (4,458)

Countries

• United States (64,950)

Other geographical areas

• Allegheny Plateau (173)
• Appalachian Mountains (1,111)