@misc{indiciae3f76e5d1a203,
  title = {Supplemental arsenic data for selected streams in the Missouri River basin, Montana, 1987},
  author = {J. R. Knapton and T.M. Brosten},
  year = {1987},
  doi = {10.3133/ofr87697},
  url = {https://pubs.usgs.gov/publication/ofr87697},
  note = {Source identifier: ofr87697}
}