Columbia subject headings:
Geology, Stratigraphic--Pleistocene.
Paleoclimatology.
Paleontology--Pleistocene.
Prehistoric peoples.
Harvard subject headings:
Geology, Stratigraphic--Pleistocene
Paleoclimatology.
Paleontology--Pleistocene
Prehistoric peoples.
Princeton subject headings:
Geology, Stratigraphic--Pleistocene.
Paleoclimatology.
Paleontology--Pleistocene.
Prehistoric peoples.