Hundreds of federal workers process thousands of retirement applications every month, by hand in a converted former mine.

A mine safety expert says many old mines in Western Pennsylvania have less than 50 feet of ground cover between the mine and ...

Elon Musk drew attention to a decades-old converted underground limestone mine in Pennsylvania his Department of Government ...

The United States government's Office of Personnel Management uses Iron Mountain to process and store paperwork when federal ...

An old Pennsylvania limestone mine housing all retirement paperwork for government employees is limiting how fast workers can ...

Elon Musk, in his mission to enhance government productivity and reduce unnecessary spending, has found a new target for ...

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