The images reveal pictures of industry growing on the side of Big Lick Mountain in Upper Dauphin County after the Civil War.
A newspaper correspondent details life in Lykens and Wiconisco in the months after the end of the Great War.
Coal miners across Pennsylvania went on strike in 1902. They couldn't have succeeded without the ladies.
Williamstown Tunnel began shipping coal from Northern Dauphin County in 1866 and became the most prosperous coal mine in the state.
"None can tell what a busy scene will be presented near these mines."
In June 1867, a thunderstorm passed through Wiconisco, Pennsylvania and electrocuted miners deep within one of the town's coal mines.
In October 1862, Irish miners in Pennsylvania staged an armed revolt against the government. Their actions foreshadowed even bloodier events.
The Upper Dauphin Register describes the new town being constructed in Williams Valley in a September 1865 edition.
In a report written in April 1857, Joseph Ostermann details his work in opening the Williamstown Tunnel in Upper Dauphin County.
A young boy faced death in the mines of the Lykens Valley Coal Company in March 1859. And against all odds, he came out victorious.