@misc{indiciae948b6d8b705a,
  title = {GEONAMES data base of geologic names of the United States through 1988 : CA},
  author = {G. W. Luttrell and M.L. Hubert and C.R. Murdock},
  year = {1990},
  doi = {10.3133/ofr90466o},
  url = {https://pubs.usgs.gov/publication/ofr90466O},
  note = {Source identifier: ofr90466O}
}