@misc{indiciae3d23600d50bd,
  title = {Geochemical data for the Weldon Spring Chemical Plant site and vicinity property, St. Charles County, Missouri-1989-1990},
  author = {John G. Schumacher},
  year = {1990},
  doi = {10.3133/ofr90351},
  url = {https://pubs.usgs.gov/publication/ofr90351},
  note = {Source identifier: ofr90351}
}