Columbia subject headings:
Ney, Charles S., 1918-1975.
Ore deposits--British Columbia.
Ore deposits--Yukon.
Porphyry--British Columbia.
Porphyry--Yukon.
Harvard subject headings:
Ney, Charles S., 1918-1975.
Ore deposits--British Columbia.
Ore deposits--Yukon Territory.
Porphyry--British Columbia.
Porphyry--Yukon Territory.
Princeton subject headings:
Ney, Charles S., 1918-1975.
Ore deposits--British Columbia.
Ore deposits--Yukon Territory.
Porphyry--British Columbia.
Porphyry--Yukon Territory.