@misc{indiciae42653b628f58,
  title = {A geochemical study of the Rio Pantanos area, Department of Antioquia, Colombia preliminary report},
  author = {Henry V. Alminas and Elwin L. Mosier},
  year = {1972},
  doi = {10.3133/ofr724},
  url = {https://pubs.usgs.gov/publication/ofr724},
  note = {Source identifier: ofr724}
}