Person ? R. -L. Prain
- From 1940-01-01 to 1940-12-31, Administrateur of ROAN ANTELOPE COPPER MINES LIMITED
- From 1945-01-01 to 1945-12-31, Administrateur Délégué of ROAN ANTELOPE COPPER MINES LIMITED
- From 1948-01-01 to 1948-12-31, Administrateur of ROAN ANTELOPE COPPER MINES LIMITED
- From 1953-01-01 to 1953-12-31, Administrateur of THE INTERNATIONAL NICKEL COMPANY OF CANADA Ltd
- From 1953-01-01 to 1953-12-31, Président of ROAN ANTELOPE COPPER MINES LIMITED