@misc{indiciaee76a82ebd807,
  title = {Field guidelines for collection, treatment, and analysis of water samples, Montana district},
  author = {J. R. Knapton},
  year = {1985},
  doi = {10.3133/ofr85409},
  url = {https://pubs.usgs.gov/publication/ofr85409},
  note = {Source identifier: ofr85409}
}