Columbia subject headings:
Harvard subject headings:
Geochemical prospecting--Congresses.
Glacial landforms--Congresses.
Glacial landforms.
Prospecting--Congresses
Prospecting--Geophysical methods--Congresses
Prospecting.
Princeton subject headings:
Geochemical prospecting--Congresses.
Geochemical prospecting--Finland--Congresses.
Glacial landforms--Congresses.
Prospecting--Great Britain--Congresses.