@misc{indiciae635201d4324d,
  title = {Geologic map of Lassen Volcanic National Park and vicinity, California},
  author = {Michael A. Clynne and L.J. Patrick Muffler},
  year = {2010},
  doi = {10.3133/sim2899},
  url = {https://pubs.usgs.gov/publication/sim2899},
  note = {Source identifier: sim2899}
}