@misc{indiciae52659ee8cf18,
  title = {Land subsidence and aquifer-system compaction in the San Jacinto Valley, Riverside County, California - A progress report},
  author = {Ben Elder Lofgren},
  year = {1976},
  url = {https://pubs.usgs.gov/publication/70162522},
  note = {Source identifier: 70162522}
}