This journal documents a year of work at two anthracite collieries in Schuylkill County.
Journal of the Buck Mountain and Vulcan collieries near Mahanoy City, 1897

This journal documents a year of work at two anthracite collieries in Schuylkill County.
In 1879, John H. Gable of Shamokin, PA patented this oil-wick miner's cap lamp.