Pennsylvania’s abandoned coal mines may hold up to 220 billion gallons of water; scientists mapped the hidden reservoirs beneath 120 square miles |
An inky pool in the middle of an anthracite coal pile. Image Credit: Jessica Klein/Inside Climate News/Pennsylvania Capital Star Pennsylvania’s abandoned underground coal mines may contain between 60 to 220 billion gallons of water, according to a U.S. Geological Survey study of the Western Middle Anthracite Coalfield. The research examined a 120-square-mile area across Schuylkill,…
