CAUSWY | Causeway |
GRIDRN | Gridiron |
LNDRGN | Land region |
MARCUL | Marine farm/culture |
MORFAC | Mooring/warping facility |
OBSTRN | Obstruction |
PYLONS | Pylon/bridge support |
SBDARE | Seabed area |
SLCONS | Shoreline Construction |
UWTROC | Underwater/awash rock |
WRECKS | Wrecks |