@misc{indiciaedc8b69462be9,
  title = {Stratigraphic sections of the Phosphoria formation in Idaho, Montana, Utah and Wyoming},
  author = {V.E. McKelvey and D.F. Davidson and F. W. O’Mally and L.E. Smith and F.C. Armstrong and R.P. Sheldon and R.A. Hoppin and R. A. Gulbrandsen and R.M. Campbell and R. W. 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 and D.M. Kinney and J. W. Huddle and G.F. Hosford and R.S. Sears and D.P. Sprouse and M.D. Stewart},
  year = {1951},
  doi = {10.3133/ofr5118},
  url = {https://pubs.usgs.gov/publication/ofr5118},
  note = {Source identifier: ofr5118}
}