Ombilin coal mine
Sawahlunto, Indonesia
The Ombilin Coal Mine (formerly PT Tambang Batubara Ombilin (TBO)) is a coal mine near Sawahlunto, West Sumatra, Indonesia. It is located in a narrow valley along the Bukit Barisan mountains, among the Polan, Pari, and Mato hills, approximately 70 kilometres (43 mi) northeast of Padang. Coal was discovered in the mid-19th century by Willem Hendrik de Greve, and mining began in the area in 1876. The mine is the oldest coal mining site in Southeast Asia.
Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).