Union artillery emplacements on Federal Hill
circa 1865
circa 1865
1904-02
1904-02
1862
circa 1844-1850
circa 1862
circa 1880
circa 1875
circa 1900
1948-03
1802
circa 1925
circa 1875-1883
circa 1803
circa 1800-1820
1834
circa 1940
1804
circa 1853
circa 1930
circa 1925
circa 1925
circa 1948
circa 1948
circa 1948
circa 1875
circa 1860-1912
circa 1945-1962
undated
1906
circa 1951-02
1951-02
circa 1844-1850
circa 1844-1850
circa 1844-1850
circa 1934-1940
1851
circa 1873
1894
1912-12-13
circa 1949-05
circa 1811-1822
1867
1799-08-31
1798-07
1905-03-31
undated
circa 1900-1960
1942-12-20
1812
1880-09-12
circa 1925
circa 1925
circa 1900
ca. 1830
1769
circa 1840
circa 1865
circa 1840-1850
1845