Rapport sur l'origine, les relations et la composition geologiques des gisements de nickel et de cuivre de la region miniere de Sudbury
Second Ed. of a Report On the Geology and Natural Resources of the Area Included by the Nipissing and Timiskaming Map-Sheets: Comprising Portions of . Ontario, and of the County of Pontiac, Quebec
.Second Ed. of a Report On the Geology and Natural Rsources of the Area Included by the Nipissing and Timiskaming Map-Sheets, Comprising Portions of . Ontario, and the County of Pontiac, Quebec