People and train on North Branch Potomac River bridge
1859-06
1859-06
1797
1994
1802
circa 1801
circa 1801
circa 1801-1802
circa 1880
1798-03-22
circa 1801
1802
1802
circa 1861-1865
circa 1861-1865
1856
circa 1900
circa 1804-1806
circa 1801
1798-03-19
1802
1912-12-20
1912-12-20
1797-07-10
circa 1802
1830
1850
1850-1860
1804
circa 1830
circa 1883
circa 1900-1960
circa 1673
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1943
1798
1888
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1888-09
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1854
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1881
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1798-05-24
circa 1801