DescriptionThe Grand Battery Historical Marker S Columbus Blvd at US Coast Guard Station Philadelphia PA (DSC 2949).jpg
English: The Grand Battery. Known also as the Association Battery, this was Pennsylvania's largest early fortification. Originally built in 1748, shortly after formation of a volunteer military force called the Association, it mounted 27 guns; within a few years it held some 50 guns. Later the first Philadelphia Navy Yard was here, 1800-1875. A short distance to the north, the smaller Society Hill Battery was built in April 1748; it mounted 13 guns. (Historical Marker at S Columbus Blvd at US Coast Guard Station Philadelphia PA 19147 - PA Historical & Museum Commission 1997)
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The Grand Battery. Known also as the Association Battery, this was Pennsylvania's largest early fortification. Originally built in 1748, shortly after formation of a volunteer military force called the Association, it mounted 27 guns; within a few years it held some 50 guns. Later the first Philadelphia Navy Yard was here, 1800-1875. A short distance to the north, the smaller Society Hill Battery was built in April 1748; it mounted 13 guns. (Historical Marker at S Columbus Blvd at US Coast Guard Station Philadelphia PA 19147 - PA Historical & Museum Commission 1997)