Photograph 'Looking west, "Lotus Seeker" Clam Shell Dredge fitted with 1 3/4 c.y. grab commences to throw up North Bank for Graving Dock. Primary dig to obtain flotation, borrow pit to be dug down to zero level.'
Photograph 'Looking west, "Lotus Seeker" Clam Shell Dredge fitted with 1 3/4 c.y. grab commences to throw up North Bank for Graving Dock. Primary dig to obtain flotation, borrow pit to be dug down to zero level.'