Photo showing view looking north east at east caisson, inner bulkhead being lifted into place near south end of caisson and trusses being fabricated in front of caisson at far end.
Photo showing view looking north east at east caisson, inner bulkhead being lifted into place near south end of caisson and trusses being fabricated in front of caisson at far end.
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.