@misc{indiciaebe05af7a3d78,
  title = {Complete Bouguer gravity and general geology of the Bradley, San Miguel, Adelaida, and Paso Robles quadrangles, California},
  author = {Stephen H. Burch and David L. Durham},
  year = {1970},
  doi = {10.3133/pp646b},
  url = {https://pubs.usgs.gov/publication/pp646B},
  note = {Source identifier: pp646B}
}