@misc{indiciae5bff208ce125,
  title = {Lithium in surficial materials of the conterminous United States and partial data on cadmium},
  author = {Hansford T. Shacklette and J.G. Boerngen and J.P. Cahill and R.L. Rahill},
  year = {1973},
  doi = {10.3133/cir673},
  url = {https://pubs.usgs.gov/publication/cir673},
  note = {Source identifier: cir673}
}