TY - RPRT TI - Use of stable isotopes of carbon and nitrogen to identify sources of organic matter to bed sediments of the Tualatin River, Oregon AU - Bernadine A. Bonn AU - Stewart A. Rounds PY - 2010 DO - 10.3133/sir20105154 UR - https://pubs.usgs.gov/publication/sir20105154 ID - sir20105154 ER -