Union artillery emplacements on Federal Hill
circa 1865
circa 1865
1904-02
1904-02
circa 1915
circa 1880
circa 1875
circa 1900
circa 1844-1850
circa 1862
1862
circa 1940
circa 1915
1948-03
1798-07-24
1791
circa 1915
circa 1915
circa 1915
circa 1915
circa 1915
circa 1925
1802
1834
1804
circa 1875-1883
circa 1803
1905-03-31
circa 1945-1962
circa 1875
circa 1860-1912
circa 1930
circa 1925
circa 1925
circa 1948
circa 1948
circa 1948
circa 1800-1820
circa 1853
circa 1930
undated
1812
1906
1894
1912-12-13
circa 1844-1850
circa 1844-1850
circa 1844-1850
1769
1851
circa 1951-02
1951-02
circa 1934-1940
circa 1873
1928
circa 1900
circa 1796-1798
undated
circa 1900-1960
1942-12-20
1796