Columbia subject headings:
Harvard subject headings:
Geology, Stratigraphic.
Paleolithic period--France--Pas-de-Calais.
Pas-de-Calais (France)--Antiquities.
Prehistoric peoples--France--Pas-de-Calais.
Princeton subject headings:
Antiquities, Prehistoric--France--Biache-Saint-Vaast.
Biache-Saint-Vaast (France)--Antiquities.
Geology, Stratigraphic.
Paleolithic period--France--Biache-Saint-Vaast.
Prehistoric peoples--France--Biache-Saint-Vaast.