@misc{indiciae1f49fd3cede2,
  title = {Vertical displacement measurements in Central California with a long-baseline two-fluid tiltmeter},
  author = {Howard C. Merchant},
  year = {1981},
  doi = {10.3133/ofr81885},
  url = {https://pubs.usgs.gov/publication/ofr81885},
  note = {Source identifier: ofr81885}
}