Last month, the Trump administration nominated mining industry association executive Wayne Palmer to head MSHA.

Beneath the surface of Lake Erie lies the sprawling salt mine where workers extract salt from beneath fresh water. This immense underground expanse stretches from Edgewater Beach to Burke ...

The massive underground facility, which has been used to store archives since the 1960s, remains a crucial but convoluted hub for US government records.

Veteran miners work deep underground to satisfy roaring demand for road salt during a cold and icy winter in New Brunswick.

The mine does not allow people other than workers to go underground, so when Morton Salt's parent company, K+S, offered photographer Ricky Rhodes a tour to photograph for their company newsletter ...

It was introduced in 1839 by Dr Feliks Boczkowski, a Polish doctor who observed that workers at salt mines had fewer respiratory problems than other miners.

But extracting the coveted salt means descending into dark caves, then blasting and carrying heavy rock. Faizan Panjwani: The problem is the massive size of the blocks that come from the mine.