@misc{indiciae615eeecef11b,
  title = {Stratigraphic sections of the Phosphoria Formation in Montana, 1949-50: part I},
  author = {E. R. Cressman and W.H. Wilson and C.W. Tandy and W.J. Garmoe},
  year = {1953},
  doi = {10.3133/tei361},
  url = {https://pubs.usgs.gov/publication/tei361},
  note = {Source identifier: tei361}
}