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v t e Pennsylvania Railroad subsidiaries
Chartered 1846 Main Line (1857) Northern Central (1861–1976) Empire Transportation Company (1865–1877) Baltimore and Potomac (1867–1902) Pan Handle (1847–1956) Pittsburgh, Fort Wayne and Chicago (1851–1976) United New Jersey (1871–1976) Philadelphia, Wilmington and Baltimore (1836–1902) Philadelphia, Baltimore and Washington (1902–1976)