@misc{indiciae94cdf53ddae1,
  title = {Stratigraphic sections of the Phosphoria in Montana, 1947-48},
  author = {Roger Warren Swanson and M. R. Klepper and W.R. Lowell and F.S. Honkala and E. R. Cressman and D.A. Bostwick and O.A. Payne and E. T. Ruppel},
  year = {1952},
  doi = {10.3133/tei186},
  url = {https://pubs.usgs.gov/publication/tei186},
  note = {Source identifier: tei186}
}