Columbia subject headings:
Harvard subject headings:
Borings--Switzerland--Schaffhausen (Canton)
Kesserloch Cave (Switzerland)
Paleontology--Switzerland--Schaffhausen (Canton)
Schaffhausen (Switzerland : Canton)--Antiquities.
Sedimentation and deposition--Switzerland--Schaffhausen (Canton)
Princeton subject headings:
Caves--Switzerland--Thayngen.
Drill cores--Switzerland--Thayngen.
Excavations (Archaeology)--Switzerland--Thayngen.
Kesslerloch Site (Thayngen, Switzerland)
Sedimentology--Switzerland--Thayngen.
Switzerland--Antiquities.