@misc{indiciaebb88580645b9,
  title = {Preliminary investigation of land subsidence in the Sacramento Valley, California},
  author = {B. E. Lofgren and R. L. Ireland},
  year = {1973},
  doi = {10.3133/ofr741064},
  url = {https://pubs.usgs.gov/publication/ofr741064},
  note = {Source identifier: ofr741064}
}