尾去沢鉱山跡
稼行対象とされた鉱脈は合計 560 条 24 鉱脈群、坑道の総延長は 800 km に及び、三菱のもとで粗鉱 2,850 万 t、銅 30 万 t、金 4.4 t、銀 155 t、鉛、亜鉛各 1 万 t ほどが生産されました。
1978 年閉山
Osarizawa Mine
The mine had 560 ore veins in 24 groups, and the total length of the mine tunnels reached 800 kilometers. In total, Mitsubishi produced 28.5 million tonnes of crude ore, 300,000 tonnes of copper, 4.4 tonnes of gold, 155 tonnes of silver, and 10,000 tonnes of lead and zinc each.
closure in 1978