Crews are still working to locate 64-year-old Elizabeth Pollard, who is believed to have fallen into a sinkhole in Unity Township while she was out searching for a missing cat.

Abandoned mine at the heart of search for woman who fell through a sinkhole is becoming unsafe, ... Westmoreland County, click here. UNITY TOWNSHIP, Pa. (KDKA) ... At one point, more than 100 ...

Old mines pose myriad dangers, with 381 people killed and 152 injured at abandoned mine sites nationwide between 2000 and 2013, according to the U.S. Bureau of Land Management.

Ponta Delgada became an important stop off point for ships traveling from the U.S. to Europe, which were a target for German U-boats. This picture shows one of the guns of the Pico da Castanheira ...

The underground fire is located near the Marshall Fire ignition point. The state will start mitigating a coal mine fire in Boulder County soon, according to an emergency declaration just issued by ...

STILFONTEIN, South Africa (AP) — Months after South African authorities initially cut off supplies to miners working illegally in an abandoned gold mine, rescuers brought dozens of bodies and… ...

Underground voids from abandoned mines pose danger to people and property when land collapses. ... Federal officials say there are as many as 500,000 abandoned mines in the U.S.