@misc{indiciaee99f0539f41e,
  title = {Geologic map of the Adelaida quadrangle, San Luis Obispo County, California},
  author = {David L. Durham},
  year = {1968},
  doi = {10.3133/gq768},
  url = {https://pubs.usgs.gov/publication/gq768},
  note = {Source identifier: gq768}
}