photo showing view looking view behind the wharf caissons looking north showing placing of sand blanket over the rock backfill at right of the outlet of the Dredge Pipe at left.
photo showing view looking view behind the wharf caissons looking north showing placing of sand blanket over the rock backfill at right of the outlet of the Dredge Pipe at left.
Photo showing aerial view of the graving dock looking north showing caisson contruction nearing its final stages, the smelter site is in the background.
Photo showing aerial view of the graving dock looking north showing caisson contruction nearing its final stages, the smelter site is in the background.