TY - RPRT TI - Diel Sampling of Groundwater and Surface Water for Trace Elements and Select Water-Quality Constituents at a Former Zinc Smelter Site near Hegeler, Illinois, August 1-3, 2007 AU - Robert T. Kay AU - George E. Groschen AU - David H. Dupre AU - Timothy D. Drexler AU - Karen L. Thingvold AU - Heather J. Rosenfeld PY - 2009 DO - 10.3133/sir20095210 UR - https://pubs.usgs.gov/publication/sir20095210 ID - sir20095210 ER -