Toi gold mine
Izu, Japan · built 1972
The Toi gold mine (Toi kinzan) was an important gold mine during the Edo period in Japan, located within what is now part of the city of Izu, Shizuoka Prefecture in the middle of the Izu Peninsula. It remained in operation to the mid-twentieth century.
Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).