1953-02-20 to 1954-08-13
OWNAMIN LTD.
1954-08-13 to 1977-07-11
RIO CANADIAN EXPLORATION LTD.
1977-07-11 to 1980-08-28
RIO TONTO CANADIAN EXPLORATION LIMITED
1980-08-28 to 1981-06-19
Rio Tonto Canadian Exploration Limited
1980-08-28 to 1981-06-19
Exploration Rio Tinto du Canada Limitee
1981-06-19 to 1983-12-19
RIOCANEX INC.
1983-12-19 to Present
RIO ALGOM EXPLORATION INC.
1983-12-19 to Present
EXPLORATION RIO ALGOM INC.