Carrollton Viaduct, Baltimore and Ohio Railroad
circa 1830
circa 1830
1862
circa 1870
1904
1904
circa 1915
1976-09-27
1976-06-23
1976-07-13
1977-02-12
1913-07-01
circa 1850
1804-02-18
1908-12-27
circa 1925
circa 1925
1948-03
1948-03
1889-08
1888-09
1888-10
1888
circa 1910
circa 1925
1913-01-01
1913-03-31
1949-05
1859
circa 1861
1896-12-30
1814-03-28
circa 1885
1874
1904
circa 1829-1832
1917-05-14
1972-06-22
circa 1915-1930
1957-11
1776
undated
1871
circa 1870
1918-1920
1889
circa 1875
circa 1880
1913-01-21
1913-01-21
1913-01-22
1913-01-22
1913-01-09
circa 1929
1798-11-08
circa 1962
1949-09
1949-10
1801
1866-10-20
1830