Columbia subject headings:
Geology, Stratigraphic.
Geology--Scotland.
Paleontology--Scotland.
Harvard subject headings:
Geology, Stratigraphic--Quaternary
Geology--Scotland
Landforms--Scotland.
Paleoclimatology--Scotland.
Princeton subject headings:
Geology, Stratigraphic--Quaternary.
Geology--Scotland.
Paleontology--Scotland.