@misc{indiciae51944ccde754,
  title = {Reconnaissance geologic map of the Hyampom 15' quadrangle, Trinity County, California},
  author = {William P. Irwin},
  year = {2010},
  doi = {10.3133/sim3129},
  url = {https://pubs.usgs.gov/publication/sim3129},
  note = {Source identifier: sim3129}
}