@misc{indiciaef08ff4100e26,
  title = {Chemical data for precipitate samples},
  author = {Andrea L. Foster and Randolph A. Koski},
  year = {2008},
  doi = {10.3133/ofr20071359e},
  url = {https://pubs.usgs.gov/publication/ofr20071359E},
  note = {Source identifier: ofr20071359E}
}