@misc{indiciae3fc2ce411469,
  title = {Measured crustal deformation in Imperial Valley, California},
  author = {Ben Elder Lofgren},
  year = {1978},
  doi = {10.3133/ofr78910},
  url = {https://pubs.usgs.gov/publication/ofr78910},
  note = {Source identifier: ofr78910}
}