Columbia subject headings:
Harvard subject headings:
Fossil hominids--Mauritania.
Fossil hominids--Morocco.
Geology, Stratigraphic--Holocene
Human geography--Mauritania.
Human geography--Morocco.
Princeton subject headings:
Coastal ecology--Mauritania.
Coastal ecology--Morocco.
Coastal ecology--Sahara.
Geology, Stratigraphic--Holocene.
Human geography--Mauritania.
Human geography--Morocco.
Human geography--Sahara.