@misc{indiciae6afccb99df9a,
  title = {High-precision gravity stations for monitoring vertical crustal motion in Southern California},
  author = {C. W. Roberts and R.C. Jachens},
  year = {1986},
  doi = {10.3133/ofr8644},
  url = {https://pubs.usgs.gov/publication/ofr8644},
  note = {Source identifier: ofr8644}
}