@misc{indiciae53f333519b2a,
  title = {Preliminary report, Danville, California, earthquakes of May-June 1970},
  author = {W.H.K. Lee and J. C. Roller and K.L. Meagher and L. C. Pakiser},
  year = {1970},
  doi = {10.3133/ofr70197},
  url = {https://pubs.usgs.gov/publication/ofr70197},
  note = {Source identifier: ofr70197}
}