TY - RPRT TI - Diel cycles in dissolved barium, lead, iron, vanadium, and nitrite in a stream draining a former zinc smelter site near Hegeler, Illinois AU - Robert T. Kay AU - G.E. Groschen AU - G. Cygan AU - David H. Dupre PY - 2011 DO - 10.1016/j.chemgeo.2010.10.009 UR - https://pubs.usgs.gov/publication/70034791 ID - 70034791 ER -