@misc{indiciaef47fbbfe49ba,
  title = {Contra Costa County, California selected earth sciences references},
  author = {E.R. White},
  year = {1990},
  doi = {10.3133/ofr90629},
  url = {https://pubs.usgs.gov/publication/ofr90629},
  note = {Source identifier: ofr90629}
}