@misc{indiciae0a602ebc7d4e,
  title = {A Multi-purpose crustal strain observatory, Dalton Tunnel complex, San Gabriel Mountains},
  author = {Thomas L. Henyey and Ta-liang Teng and Peter C. Leary and Thomas J. Ahrens},
  year = {1980},
  doi = {10.3133/ofr81280},
  url = {https://pubs.usgs.gov/publication/ofr81280},
  note = {Source identifier: ofr81280}
}