10/13/2026
Charcoal burners, commonly known as colliers, worked deep in Pennsylvania's forests, converting enormous quantities of wood into the fuel needed to manufacture iron. They often lived in temporary huts near their charcoal hearths, sometimes for much of the charcoal-making season. Find out more about their work at Susquehanna Footprints: Treading Lightly.
[https://susquehannafootprints.com/episodes](https://susquehannafootprints.com/episodes) (7:16)
Photo Credit: ExplorePAhistory.com, Courtesy of the Pennsylvania State Archives