Wet excavation, North approach.  Rotary Drills, Model 37 Sullivan, at Station 159. View South. Dredging Division Photo 6/6/42

This photo was taken in the Cocoli Lake area.  Cocoli Hill is seen in the background.  The Miraflores Locks would be off to our left. It is hard to see, but there is a Barrage Balloon behind one of the drill towers.