TY - RPRT TI - Organochlorine pesticide residues in bed sediments of the San Joaquin River and its tributary streams, California AU - R. J. Gilliom AU - D.G. Clifton PY - 1987 DO - 10.3133/ofr87531 UR - https://pubs.usgs.gov/publication/ofr87531 ID - ofr87531 ER -