@misc{indiciaee9097e33a86f,
  title = {U.S. Geological Survey assessment of global potash production and resources—A significant advancement for global development and a sustainable future.},
  author = {Mark D. Cocker and Greta J. Orris and Jeff Wynn},
  year = {2016},
  doi = {10.1130/2016.2520(10)​},
  url = {https://pubs.usgs.gov/publication/70160599},
  note = {Source identifier: 70160599}
}