TY  - RPRT
TI  - Effects of coal mining on the water resources of the Tradewater River Basin, Kentucky
AU  - Hayes F. Grubb
AU  - Paul D. Ryder
PY  - 1973
DO  - 10.3133/wsp1940
UR  - https://pubs.usgs.gov/publication/wsp1940
ID  - wsp1940
ER  -