Photograph - Photograph - Portland Harbour construction, n.d Historical information Port of Portland Authority Archives Physical description Black and white photo, wharf section of Breakwater under construction. Crane sea end, placing boulders. Large crane and pile driver and work barge near part completed wharf section. Stack of concrete piles in foreground. Inscriptions & markings Front: B41 1/5/59- PencilBack: B14 1/5/59 - Pencil Subjects port of portland archives, main breakwater, harbour construction, harbour development