I, therefore, made some experiments to ascertain what effect ventilation would have in cooling the mines At the Hucknall Colliery the temperature of the coal, when first the pit was sunk was 70 ...

Officials from the Division of Mining ... the Marshall Coal Fire Mitigation project was launched. During the excavation work, the division says they recorded some high subsurface temperatures ...

The mine, near the frontline city of Pokrovsk, produced coking coal crucial for Ukraine’s steel industry. It kept running until the very last moment, when Russian forces finally reached its gates.