TY - RPRT TI - Contaminants in stream sediments from seven United States metropolitan areas: part I: distribution in relation to urbanization AU - Lisa H. Nowell AU - Patrick W. Moran AU - Robert J. Gilliom AU - Daniel L. Calhoun AU - Christopher G. Ingersoll AU - Nile E. Kemble AU - Kathryn Kuivila AU - Patrick J. Phillips PY - 2012 DO - 10.1007/s00244-012-9813-0 UR - https://pubs.usgs.gov/publication/70128270 ID - 70128270 ER -