Columbia subject headings:
Harvard subject headings:
Coast changes--North Sea.
Coasts--North Sea.
Formations (Geology)--North Sea.
Paleogeography--Holocene.
Princeton subject headings:
Coastal ecology--North Sea Region.
Geology, Stratigraphic--Holocene.
Geology--North Sea Region.
Marine ecology--North Sea Region.
Marine sediments--North Sea Region.
Physical geography--North Sea Region.