Columbia subject headings:
Harvard subject headings:
Japan--Antiquities.
Jōmon culture--Japan--Kameda Peninsula.
Kameda Peninsula (Japan)--Antiquities.
Paleobotany--Japan--Kameda Peninsula.
Plant remains (Archaeology)--Japan--Kameda Peninsula.
Princeton subject headings:
Anthropology, Prehistoric--Japan--Hokkaido.
Archaeology--Japan--Hokkaido.
Paleobotany--Japan--Hokkaido.