TY  - RPRT
TI  - Dissolved metals and associated constituents in abandoned coal-mine discharges, Pennsylvania, USA. Part 1: Constituent quantities and correlations
AU  - C.A. Cravotta
PY  - 2008
DO  - 10.1016/j.apgeochem.2007.10.011
UR  - https://pubs.usgs.gov/publication/70033658
ID  - 70033658
ER  -