These are pictures from members of the Coastal Defense Study Group Association. They were given to me to share them with interested people.
Fort Drum Construction, El Fraile Island from CDSG, SW View.
Fort Drum Construction, Fraile Island from CSDG, North View
Fort Drum Construction, Fraile Island from CSDG, North View.
Fort Drum Construction, Fraile Island from CSDG, SW View.
Fort Drum Construction, Fraile Island from CSDG, East View.