TY  - RPRT
TI  - Mine drainage and rock type influences on eastern Ohio stream water quality
AU  - D.R. Helsel
PY  - 2007
DO  - 10.1111/j.1752-1688.1983.tb05936.x
UR  - https://pubs.usgs.gov/publication/70011306
ID  - 70011306
ER  -