@misc{indiciae41f2f3113a74,
  title = {Ages of rocks in southwestern Washington and northwestern Oregon as indicated by paleontological and isotopic dates},
  author = {Wendy Adams Niem and Alan R. Niem},
  year = {1992},
  doi = {10.3133/ofr92344},
  url = {https://pubs.usgs.gov/publication/ofr92344},
  note = {Source identifier: ofr92344}
}