@misc{indiciae7cc0d0697dd8,
  title = {Chemical elements in the environment: multi-element geochemical datasets from continental to national scale surveys on four continents},
  author = {Patrice de Caritat and Clemens Reimann and David B. Smith and Xueqiu Wang},
  year = {2017},
  doi = {10.1016/j.apgeochem.2017.11.010},
  url = {https://pubs.usgs.gov/publication/70194561},
  note = {Source identifier: 70194561}
}