@misc{indiciaebb6a22f6d3cd,
  title = {Middle Miocene Foraminifera and stratigraphic relations in the Adelaida quadrangle, San Luis Obispo County, California},
  author = {Patsy Beckstead Smith and David L. Durham},
  year = {1968},
  doi = {10.3133/b1271a},
  url = {https://pubs.usgs.gov/publication/b1271A},
  note = {Source identifier: b1271A}
}