@misc{indiciae77720801c102,
  title = {Investigations of the 8 November 1980 earthquake in Humboldt County, California},
  author = {Kenneth Lajoie and David Keefer},
  year = {1981},
  doi = {10.3133/ofr81397},
  url = {https://pubs.usgs.gov/publication/ofr81397},
  note = {Source identifier: ofr81397}
}