@misc{indiciaee05213bc238c,
  title = {Preliminary reconnaissance geologic map of part of Jackson County, Oregon},
  author = {James G. Smith and Norman J. Page},
  year = {1977},
  doi = {10.3133/ofr77318},
  url = {https://pubs.usgs.gov/publication/ofr77318},
  note = {Source identifier: ofr77318}
}