@misc{indiciaedaa339562eac,
  title = {Geologic map of the Tower Rock Quadrangle, southern Cascade Range, Washington},
  author = {D. A. Swanson},
  year = {1991},
  doi = {10.3133/ofr91314},
  url = {https://pubs.usgs.gov/publication/ofr91314},
  note = {Source identifier: ofr91314}
}