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
circa 1915
circa 1900
1859-06
1975-12-15
circa 1870-1890
undated
1909-06-14
1950
1845
circa 1880
circa 1826
1831-09-22
circa 1880
1913-01-22
circa 1925
circa 1925
1822-02-09
1804
undated
1913-02-28
1880-10
1896-04
1930-03-01
circa 1925
1902-10
1902-10
1902-10
1902-10
circa 1860
1973
1913-01-22
1904
1892-01
1870-05-19
circa 1844-1850
circa 1925
circa 1910-1911
1798-03-19
1874
1913-01-01
1913-03-31
1917-05-14
1776
undated
1921
circa 1850
circa 1948
1945-02
1948-11
1959-04