Uranium mining in Canada Wikipedia
History. Canada''s first recorded discovery of uranium came in the 1930s [clarification needed] 3 [clarification needed] when prospector Gilbert LaBine discovered pitchblende, a major uranium bearing mineral, on the shores of the Great Bear Lake in the Northwest discovery led Labine''s company, Eldorado Gold Mines Limited, to develop the Eldorado Mine at Port Radium, Northwest