Bridge at Little Falls of the Potomac River, above Georgetown
1797
1797
undated
1915-12-10
circa 1910
1896-04
1878
1976-02-09
circa 1957-01
circa 1925
1859-06
circa 1915
1975-12-15
undated
1845
1909-06-14
1950
circa 1826
circa 1880
circa 1925
circa 1925
1822-02-09
1913-01-22
1804
undated
1913-02-28
1930-03-01
circa 1860
1904
1913-01-22
circa 1844-1850
circa 1925
1892-01
1798-03-19
undated
1776
circa 1870-1890
1913-01-01
1913-03-31
1945-02
1948-11
1959-04
circa 1850
circa 1948
circa 1799-1800
circa 1823
circa 1844-1850
circa 1843-1850
circa 1895
circa 1941
circa 1939
1913-01-21
1913-01-22
1913-01-22
1913-12-28
1953-09
1949-05
circa 1959
circa 1910-1911
circa 1949
circa 1925