@misc{indiciae8a0de45d9a34,
  title = {Geologic map of upper Eocene to Holocene volcanic and related rocks in the Cascade Range, Washington},
  author = {James G. Smith},
  year = {1989},
  doi = {10.3133/ofr89311},
  url = {https://pubs.usgs.gov/publication/ofr89311},
  note = {Source identifier: ofr89311}
}