@misc{indiciae6bb0c48ef525,
  title = {Hawaiian Volcano Observatory seismic network history, 1950-79},
  author = {Fred W. Klein and Robert Y. Koyanagi},
  year = {1980},
  doi = {10.3133/ofr80302},
  url = {https://pubs.usgs.gov/publication/ofr80302},
  note = {Source identifier: ofr80302}
}