Underground voids from abandoned mines pose danger to people and property when land collapses
Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly ...
news10nbc8 天
Underground voids from abandoned mines pose danger to people and property when land collapses
The state Bureau of Abandoned Mine Reclamation will examine the scene when the search concludes ... according to the U.S. Bureau of Land Management. In many cases, their owners simply walked ...
Orlando Sentinel8 天
Abandoned mines in the US pose dangers to people and property when land gives way
The state Bureau of Abandoned Mine Reclamation will examine the scene when the search concludes ... according to the U.S. Bureau of Land Management. Victims can fall into hidden shafts, get ...