@misc{indiciaebe78c67d766d,
  title = {Major- and trace-element concentrations in soils from two continental-scale transects of the United States and Canada},
  author = {David B. Smith and William F. Cannon and Laurel G. Woodruff and Robert G. Garrett and Rodney Klassen and James E. Kilburn and John D. Horton and Harley D. King and Martin B. Goldhaber and Jean M. Morrison},
  year = {2005},
  doi = {10.3133/ofr20051253},
  url = {https://pubs.usgs.gov/publication/ofr20051253},
  note = {Source identifier: ofr20051253}
}