@misc{indiciae1e0c520c67e7,
  title = {Water analysis as a means of prospecting for metallic ore deposits},
  author = {E.A. Sergeev and H. E. Hawkes},
  year = {1946},
  doi = {10.3133/ofr4821c},
  url = {https://pubs.usgs.gov/publication/ofr4821C},
  note = {Source identifier: ofr4821C}
}