https://www.usgs.gov/publications/abandoned-mine-drainage-swatara-creek-basin-southern-anthracite-coalfield-0
Abandoned mine drainage in the Swatara Creek Basin, southern anthracite coalfield, Pennsylvania,...
Acidic mine drainage (AMD) from legacy anthracite mines has contaminated Swatara Creek in eastern Pennsylvania. Intermittently collected base-flow data for...
abandoned mine drainageswatara creek
https://www.epa.gov/nps/abandoned-mine-drainage
Abandoned Mine Drainage | US EPA
Aug 1, 2025 - Overview of Acid mine drainage and it's impacts on water quality
abandoned mine drainageusepa