TY - RPRT TI - Selected elements and organic chemicals in bed sediment and fish tissue of the Tualatin River basin, Oregon, 1992-96 AU - Bernadine A. Bonn PY - 1999 DO - 10.3133/wri994107 UR - https://pubs.usgs.gov/publication/wri994107 ID - wri994107 ER -