Deep underground – Coal mining in Pennsylvania's Anthracite Region

Closing One of the Last Anthracite Coal Deep Mines

Uncovering Pittsburgh's Mining History at the Tour-Ed Mine and Museum - Uncovering PA

Terp Coal Veins

Mahanoy Area Historical Society

Coal - Encyclopedia of Greater Philadelphia

Exploring Pioneer Tunnel Coal Mine in Schuylkill County - PA Bucket List

Coal Types, Formation and Methods of Mining

TravelingGeologist

Pennsylvania-Mines

Let's Roll”: In memory of the passengers and crew of United

Created due to mining accident, PA Mine Map Atlas has served state for a decade

Anthracite Coal Region – of Northeastern Pennsylvania