Published by F.W. Kirby & Co. USA
early 20th century
Nanticoke, a town on the banks of the Susquehanna river in Pennsylvania, was rich on coal. Indians discovered its usefulness early in the 18th century. About 100 years later, in 1825, Col. Washington Lee began mining coal.
https://commons.wikimedia.org/wiki/File:Underground_3D_model.jpg
