Baltimore and Ohio Railroad forming the central link of the Great National Route between the East & West
1850
1850
1934
1896-04
1913-01-22
1913-02-28
1913-03-31
1913-03-31
1857
1959-10
circa 1955-01
circa 1953-04
1959-10
1953-10
1829
circa 1815
1813-05-22
1804
1906
circa 1844-1850
circa 1915
2015-09-26
undated
circa 1860-1912
1881
1913-01-22
1913-02-28
1913-02-28
1913-09-14
circa 1970s
1877
1953-09
1949-05
circa 1962
circa 1959
circa 1957-01
1951-02
2000
circa 1940-1943
circa 1830
circa 1823
1817
1960-10
1904
1976-06-16
circa 1949
circa 1925
1888-09
1888
1913-01-22
1913-01-22
1913-01-22
circa 1970s
1949-10
circa 1957
1948-11
1951-02
1959-04
1949-05
circa 1811-1822
2000