@misc{indiciaed775cbdc1b35,
  title = {Trace elements in bed sediments of the San Joaquin River and its tributary streams, California, 1985},
  author = {D.G. Clifton and R. J. Gilliom},
  year = {1989},
  doi = {10.3133/wri884169},
  url = {https://pubs.usgs.gov/publication/wri884169},
  note = {Source identifier: wri884169}
}