Cassiterite in Gold Placers at Humboldt Creek Serpentine ...
Cassiterite in Gold Placers at Humboldt Creek Serpentine-Kougarok area Seward Peninsula, Alaska By C. L. Sainsbury, Reuben Kachadoorian Thomas E~ Smith, and William C. Todd G E 0 L 0 G I C A L S U R V E Y C I R C U L A R 565 Washington 1968
