Bridge at Little Falls of the Potomac River, above Georgetown
1797
1797
undated
1915-12-10
circa 1925
circa 1910
1878
circa 1910
1976-02-09
circa 1822
circa 1957-01
1859-06
circa 1900
circa 1915
1975-12-15
undated
circa 1870-1890
1845
1909-06-14
1950
1831-09-22
circa 1826
circa 1880
circa 1925
circa 1925
1822-02-09
circa 1880
1913-01-22
1804
undated
1913-02-28
1930-03-01
circa 1925
1880-10
1896-04
1902-10
1902-10
1902-10
1902-10
circa 1860
1973
1904
1913-01-22
circa 1910-1911
circa 1844-1850
circa 1925
1892-01
1870-05-19
1798-03-19
undated
1874
1917-05-14
1776
1913-01-01
1913-03-31
1945-02
1948-11
1959-04
circa 1850
circa 1948
1921