Pennsylvania is the fifth-most populous state in the United States. Regions of Pennsylvania include: == Lehigh Valley == The Lehigh Valley, located in eastern Pennsylvania, is named for the Lehigh River, which flows through it.
Pennsylvania is the fifth-most populous state in the United States. Regions of Pennsylvania include: == Lehigh Valley == The Lehigh Valley, located in eastern Pennsylvania, is named for the Lehigh River, which flows through it.
Source: Wikipedia "Regions of Pennsylvania" · CC BY-SA 4.0
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