TY - RPRT TI - Geochemical data including mercury speciation for surface waters at the abandoned Greenwood mine area, Prince William Forest Park, Virginia AU - R.R. Seal AU - D.P. Haffner AU - A. L. Meier PY - 1998 DO - 10.3133/ofr98756 UR - https://pubs.usgs.gov/publication/ofr98756 ID - ofr98756 ER -