Salmita Mine and Tundra Mine, produced what?
Tundra Mine The Tundra Mines was a gold producer in the Northwest Territories, Canada between 1964 and 1968, producing 104,476 troy ounces (3250 kg) of gold from 187,714 tons of ore. A detailed history is provided in the link below. Indian and Northern Affairs Canada has a project to remediate the Tundra Mine site under their Northern Contaminants Program, funded by the Canadian Federal Contaminated Sites Action Plan.
Bytom Odrzański mine The Bytom Odrzański mine is a large mine in the west of Poland in Bytom Odrzański, Nowa Sól County, 360 km south-west of the capital, Warsaw. Bytom Odrzański represents one of the largest copper and silver reserve in Poland having estimated reserves of 31.5 million tonnes of ore grading 2.47% copper and 56 g/tonnes silver. The annual ore production is around 0.7 million tonnes from which 17,300 tonnes of copper and 39.2 tonnes of silver are extracted.