| Baltimore & Ohio RR | Opened in 1827, merged into the Chessie System in 1973. (C&O after 1962) |
1874jun1 |
1883mar |
1884jun15 |
1885jun |
1893sep |
1900_wwi |
1917jul29-chd |
1934_40 |
1940_61 |
1961oct29 |
1963jan22 |
1964apr26 |
1964aug1 |
1964oct24 |
1965sep7 |
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