Coal miners can use modern surveying gear without asking for permission first

The US Mine Safety and Health Administration will now allow electronic surveying equipment in dangerous underground coal mines. This means mine operators no longer need special permission to use modern tools to map their mines.

For decades, coal mine operators had to get a special waiver every time they wanted to use electronic surveying equipment in areas with explosive gases. This rule change means they can simply use the equipment if it meets new safety standards. It removes a bureaucratic hurdle that slowed down the adoption of safer, more accurate mapping technologies in a high-risk industry.