@misc{indiciae56030f8a420d,
  title = {Environmental investigations using diatom microfossils},
  author = {Kathryn E. L. Smith and James G. Flocks},
  year = {2010},
  doi = {10.3133/fs20103115},
  url = {https://pubs.usgs.gov/publication/fs20103115},
  note = {Source identifier: fs20103115}
}