Precious metals in the Northern Cordillera : proceedings of a symposium held April 13-15, 1981 in Vancouver, British Columbia, Canada / jointly sponsored by the Association of Exploration Geochemists and the Cordilleran Section of the Geological Association of Canada ; edited by A.A. Levinson. (Special publication no. 10 of the Association of Exploration Geochemists)
Precious metals in the Northern Cordillera : proceedings of a symposium held April 13-15, 1981 in Vancouver, British Columbia, Canada / jointly sponsored by the Association of Exploration Geochemists and the Cordilleran Section of the Geological Association of Canada ; edited by A.A. Levinson.
(Special publication no. 10 of the Association of Exploration Geochemists)