@misc{indiciaebf54e7aeb3e6,
  title = {Subsidence in the Bunker Hill-San Timoteo area, southern California},
  author = {R.E. Miller and John A. Singer},
  year = {1971},
  doi = {10.3133/ofr71209},
  url = {https://pubs.usgs.gov/publication/ofr71209},
  note = {Source identifier: ofr71209}
}