TY - RPRT TI - Mercury concentrations and loads in a large river system tributary to San Francisco Bay, California, USA AU - N. David AU - L.J. McKee AU - F.J. Black AU - A.R. Flegal AU - C.H. Conaway AU - D. H. Schoellhamer AU - N. K. Ganju PY - 2009 DO - 10.1897/08-482.1 UR - https://pubs.usgs.gov/publication/70037431 ID - 70037431 ER -