@misc{indiciae236dc22d6b3d,
  title = {Preliminary summary of tiltmeter data from selected tiltmeter sites along the San Andreas Fault, California},
  author = {Carl E. Mortensen and J.W. Herriot and M.J.S. Johnston and G.D. Myren and S. Silverman and W.B. Daul and A.C. Jones},
  year = {1979},
  doi = {10.3133/ofr791087},
  url = {https://pubs.usgs.gov/publication/ofr791087},
  note = {Source identifier: ofr791087}
}