@misc{indiciae55b5a045e4e3,
  title = {Geochemistry of some rocks, mine spoils, stream sediments, soils, plants, and waters in the Western Energy Region of the conterminous United States, with sections on field studies},
  author = {Richard J. Ebens and Hansford T. Shacklette},
  year = {1982},
  doi = {10.3133/pp1237},
  url = {https://pubs.usgs.gov/publication/pp1237},
  note = {Source identifier: pp1237}
}