Robuta

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 mineswatara creek