Columbia subject headings:
Geology, Stratigraphic--Neogene--Congresses.
Geology--Pacific Area--Congresses.
Paleontology--Tertiary--Congresses.
Stratigraphic correlation--Atlantic Ocean Region--Congresses.
Stratigraphic correlation--Pacific Area--Congresses.
Harvard subject headings:
Princeton subject headings:
Geology, Stratigraphic--Tertiary--Congresses.
Geology--Pacific Area--Congresses.
Paleontology--Tertiary--Congresses.
Stratigraphic correlation--Atlantic Ocean Region--Congresses.
Stratigraphic correlation--Pacific Area--Congresses.