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."
As the Cold War heated up in the winter of 1951, the citizens of Hazleton, Pennsylvania had a radical idea to save themselves from nuclear war.
In a report written in April 1857, Joseph Ostermann details his work in opening the Williamstown Tunnel in Upper Dauphin County.
In the spring of 1863, a series of strikes among miners stopped all work in the anthracite coal mines of Wiconisco Township.
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.
A miner from Williamstown, Pennsylvania recommends using scrap steel from the closed mines for the newly opened war effort.