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Underground voids from abandoned mines pose danger to people and property when land collapses
Victims can drown in flooded shafts, get lost in underground tunnels or perish from poisonous gases ... to conduct basic risk ...
U.S. News & World Report22d
Underground Voids From Abandoned Mines Pose Danger to People and Property When Land Collapses
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 ...
Atlanta Journal-Constitution22d
Underground voids from abandoned mines pose danger to people and property when land collapses
Victims can drown in flooded shafts, get lost in underground tunnels or perish from ... analyses on most of the abandoned mines on federal land. Subsidence is a widespread occurrence, including ...
WNYT NewsChannel 1322d
Underground voids from abandoned mines pose danger to people and property when land collapses
according to the U.S. Bureau of Land Management. Victims can fall into hidden shafts, get lost in underground tunnels or perish from poisonous gases present in many old coal mines. Mine shafts can ...