People and train on North Branch Potomac River bridge
1859-06
1859-06
1797
1881
1859
1866-10-20
circa 1880
1798-03-19
1797-07-10
circa 1900-1960
circa 1861-1865
circa 1861-1865
1850
circa 1890s
circa 1804-1806
circa 1796-1798
1994
circa 1839
circa 1883
circa 1949
1806-08-21
circa 1806
circa 1801
circa 1798
circa 1796
1950
1814
undated
circa 1884
1796-06-14
1814-03-28
1912-12-20
1912-12-20
circa 1830
circa 1883
1804
1850-1860
1863
1798
circa 1801
circa 1796-1798
1861-05-04
1861-1864
1816
circa 1925
1830
1834
circa 1910
1811
circa 1801
circa 1801
1798-05-24
1881
circa 1960s
1870
circa 1948-03
circa 1950-11
circa 1954-02
circa 1835
circa 1825
1845