@misc{indiciae918e41b6877a,
  title = {Magmatic unrest at Long Valley Caldera, California, 1980-1990},
  author = {R. A. Bailey and D.P. Hill},
  year = {1990},
  url = {https://pubs.usgs.gov/publication/70015922},
  note = {Source identifier: 70015922}
}