The sinkhole on Route 80 is over one of the 400 mines active during the Revolutionary War but it's hard to accurately ...

He experienced black damp (a mine gas incapable of supporting flame or life, according to Merriam-Webster.com), found ... upon an abandoned railroad tunnel. He was 13 years old when he entered ...

Mine safety was thrust into recent headlines after Elizabeth Pollard, a 64-year-old grandmother ... hole which led to an abandoned mining shaft, and her remains were found days later.

salt deposits and old rusted excavators are just a few of the relics found at derelict and abandoned mines across the Richtersveld region, part of the broader Namaqualand in the Northern Cape.

We tend not to think of our state as having old ... Mine, pond sediments of lead were found to be more than 75 times normal, levels of zinc 100 times normal, and mercury nearly double that in a nearby ...