The take-over of the Confederate battery on St. Johns Bluff opened the St. Johns River to US Navy forces to conduct patrols up the river. ...

The take-over of the Confederate battery on St. Johns Bluff opened the St. Johns River to US Navy forces to conduct patrols up the river. ...
Sketch of the configuration of the Confederate Battery on St. Johns Bluff following capture. From the "Official Records of the Union an...