On December 18, 1869, six people were killed when a mine cave-in swallowed their homes in Luzerne County.
The Avondale Mine Disaster of September 6, 1869 killed 108 miners and 2 volunteer rescuers.
A Harper's Weekly artist documented work in an anthracite mine in Pennsylvania in 1869.
Work in the anthracite mines of Eastern Pennsylvania ranks among the deadliest jobs in American history.
On November 20, 1869, a massive fire swept through the Brookside Colliery above the growing village of Tower City, Pennsylvania.