@misc{indiciae4247479369be,
  title = {Revision of middle Proterozoic Yellowjacket Formation, central Idaho, and revision of Cretaceous Slim Sam Formation, Elkhorn Mountains area, Montana},
  author = {Russell G. Tysdal},
  year = {2000},
  doi = {10.3133/pp1601ab},
  url = {https://pubs.usgs.gov/publication/pp1601AB},
  note = {Source identifier: pp1601AB}
}