03 August 1953
1953-1954 – Radium refining stops
Radium refining stops, facilities dismantled and removed from plant site,...
12 July 1948
1948-1974 – Storage at Pidgeon Hill
Used equipment, incineration, etc. (not residue) stored at Pidgeon Hill storage compound....
03 May 1948
1948-1954 – Welcome Disposal Area
Residues stored at Welcome Disposal Area in Hope Township, approximately 3 km northwest of the plant site...
29 July 1945
1945-1948 – Monkey Mountain
Processing residues stored at Monkey Mountain Residue Area (beside Highland Drive, then known as Pidgeon Hill) in Port Hope....
29 July 1944
1944 – Government of Canada takes over Eldorado
Government of Canada takes over Eldorado Gold Mines Ltd. - renamed Eldorado Mining and Refining Ltd....