Excavation
Removal of soil or rock from below the natural ground level.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
Removal of soil or rock from below the natural ground level.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM