@misc{indiciae448b0ab9bfb5,
  title = {Diurnal variation in trace-metal concentrations in streams},
  author = {David A. Nimick},
  year = {2003},
  doi = {10.3133/fs08603},
  url = {https://pubs.usgs.gov/publication/fs08603},
  note = {Source identifier: fs08603}
}