Baltimore and Ohio Railroad forming the central link of the Great National Route between the East & West
1850
1850
1912-06-25
circa 1930s
1861
1863
circa 1858
1867
1854
1862
circa 1866
circa 1861
1861
1861
1864
1862
1861
1862
1864
unknown
circa 1873
circa 1866
1880
circa 1866
circa 1813
1778
1856
1829
1831-09-22
circa 1855
circa 1855
circa 1851
circa 1850
circa 1830
1830
1834
1888
1864
1855
1886
circa 1902
1877
1822
1854
1881
circa 1890s
circa 1860
circa 1812
1800s
circa 1900-1920
1870
1859
1815
circa 1810s
undated
1852
circa 1840s
1814
1846-09-12
1816
circa 1840