Visonta coal mine
Heves County, Hungary
The Visonta Coal Mine ([viʃontɒ]) is an open pit lignite mine located near Gyöngyös, Heves County, in Hungary. It is the smallest lignite mine in Hungary out of three lignite mines in total. The mine has coal reserves amounting to 400 million tonnes of lignite, one of the largest coal reserves in Europe and the world and has an annual production of 3.9 million tonnes of coal.
Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).