Bridge at Little Falls of the Potomac River, above Georgetown
1797
1797
1976-02-09
1975-12-15
1859-06
circa 1860
circa 1880
1798-03-19
circa 1799-1800
1804
1865-06-10
1798-04-01
circa 1799-1800
circa 1950
1797-11-03
undated
circa 1900
circa 1861-1865
circa 1861-1865
circa 1850
undated
undated
1895
1802
circa 1799-1800
1799-10
circa 1796-1798
1913-03-12
circa 1865
circa 1804-1806
1799-08-31
circa 1830
1913-03-12
1954-06
1951-02
circa 1850-1860
undated
undated
circa 1860
circa 1860
circa 1860
circa 1850
circa 1850
circa 1845
circa 1850
circa 1850
circa 1850
circa 1850
circa 1850
circa 1850
undated
circa 1860
circa 1850
circa 1860
circa 1860
undated
1856-06-13
undated
undated
undated
undated