Columbia subject headings:
Harvard subject headings:
Geochemical prospecting--Cold weather conditions--Congresses.
Glacial landforms--Congresses.
Ore deposits--Congresses
Prospecting--Geophysical methods--Cold weather conditions--Congresses.
Princeton subject headings:
Geochemical prospecting--Congresses.
Glacial landforms--Congresses.
Prospecting--Geophysical methods--Congresses.