@misc{indiciae9585aa9a48d5,
  title = {Reconnaissance stratigraphy of the Prichard Formation (middle Proterozoic) and the early development of the Belt Basin, Washington, Idaho, and Montana},
  author = {E. R. Cressman},
  year = {1989},
  doi = {10.3133/pp1490},
  url = {https://pubs.usgs.gov/publication/pp1490},
  note = {Source identifier: pp1490}
}