The river was polluted with cadmium due to mining at the Kamioka mines (神岡鉱山 Kamioka Kōzan) and caused the itai-itai disease outbreak in downstream towns...
2 KB (119 words) - 18:18, 15 January 2022
active as a truck company. Kamioka Railway 神岡鉄道 Ogoya Railway 尾小屋鉄道 Former names include Ogoya Mine 尾小屋鉱山, and Yokoyama Mining 横山鉱業部. Still active as...
39 KB (4,003 words) - 16:25, 12 June 2024