|Address:||Ashio Copper Mine, 9-2 Ashiomachitsudo, Nikko, Tochigi 321-1514, Tel: +81-288-93-3240.|
|As far as we know this information was accurate when it was published (see years in brackets), but may have changed since then.
Please check rates and details directly with the companies in question if you need more recent info.
|1610||farmers discover copper ores and Mount Ashio becomes a government-run quarry.|
|1871||become privately owned.|
|1877||new owner Furukawa Ichibei discovers new copper weins and introduces advanced mining technology.|
|1974||Furukawa Co, Ltd. held accountable for the poisonings.|
|1980||opened to the public.|