@misc{indiciae0e743443074f,
  title = {Preliminary study of geotechnical properties of the Fort Union Formation from two drill holes near Asland, Montana},
  author = {Edward E. McGregor},
  year = {1975},
  doi = {10.3133/ofr75644},
  url = {https://pubs.usgs.gov/publication/ofr75644},
  note = {Source identifier: ofr75644}
}