CORESafety TV (March 2022): Four Pillar Collapses in 18 Months Spur New MSHA Initiative
Welcome to the March edition of CORESafety TV — the online video program from the National Mining Association. Since October 2020, four massive pillar collapses have occurred in limestone mines in the U.S. Each collapse was accompanied by a powerful air blast and the formation of a large surface sinkhole. The good news – those particular blasts did not result in any […]
- On March 1, 2022 Read More