Columbia subject headings:
Geology, Stratigraphic--Tertiary.
Geology--Russia (Federation)--Sakhalin (Sakhalinskai︠a︡ oblastʹ)
Harvard subject headings:
Princeton subject headings:
Geology, Stratigraphic--Tertiary.
Geology--Russia (Federation)--Sakhalinskai︠a︡ oblastʹ.