@misc{indiciaecd4c12dd4ec8,
  title = {Geologic map of part of the Orleans Mountain Roadless Area, Siskiyou and Trinity counties, California},
  author = {A. S. Jayko and M.C. Blake},
  year = {1984},
  doi = {10.3133/mf1600a},
  url = {https://pubs.usgs.gov/publication/mf1600A},
  note = {Source identifier: mf1600A}
}