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Corporate Name Authority

Treadwell Yukon Company Limited

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Dates of Existence 


Treadwell Yukon Company operated in the Mayo district through the 1920s and 1930s. The original company was reorganized in 1937 with new shares issued on the basis of dollar participation in the Company's various ventures.



The Mayo district had been known only as a gold producing area until ca. 1916. Fred Bradley, a metallurgist and President of the Treadwell Company, was interested in exploring and mining silver in the Mayo area. He hired Livingston Wernecke, a young mining engineer to explore and deal in this area on the Company's behalf. Through Wernecke's efforts the Treadwell Yukon operations were always profitable, until the Second World War made operation difficult. Operations closed down October 21, 1941 and Wernecke and his pilot Chuck Gropstics were killed in a plane crash, October 31, 1941. The mining camp was stripped, then the mill, tramline and buildings were sold in 1946 to United Keno Hill Mines who resumed operations in the area.

Biographical Sketch or Administrative History 


The parent organization was Treadwell Company. The Alaska Treadwell Company was another branch.

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Archival records linked to this creator
  Treadwell Yukon fonds (Fonds)


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