@misc{indiciae7a22b9343919,
  title = {A regional soil and sediment geochemical study in northern California},
  author = {M. B. Goldhaber and J.M. Morrison and J.M. Holloway and R. B. Wanty and D.R. Helsel and D. B. Smith},
  year = {2009},
  doi = {10.1016/j.apgeochem.2009.04.018},
  url = {https://pubs.usgs.gov/publication/70036914},
  note = {Source identifier: 70036914}
}