@misc{indiciae63b4de42767f,
  title = {Measured sections and correlations of mid-Cretaceous rocks near the Lombard thrust of the Helena Salient in southwestern Montana},
  author = {T. S. Dyman and R. G. Tysdal and K. W. Porter and G. A. Thompson},
  year = {1995},
  doi = {10.3133/ofr95841},
  url = {https://pubs.usgs.gov/publication/ofr95841},
  note = {Source identifier: ofr95841}
}