@misc{indiciaed018dea67a2c,
  title = {The Santa Clara Valley, Puente Hills, and Los Angeles oil districts, southern California},
  author = {George Homans Eldridge and Ralph Arnold},
  year = {1907},
  doi = {10.3133/b309},
  url = {https://pubs.usgs.gov/publication/b309},
  note = {Source identifier: b309}
}