@misc{indiciae307379cdc15c,
  title = {The Long Valley Caldera GIS database},
  author = {Maurizio Battaglia and M.J. Williams and D.Y. Venezky and D.P. Hill and John O. Langbein and Christopher D. Farrar and James F. Howle and Michelle Sneed and P. Segall},
  year = {2003},
  doi = {10.3133/ds81},
  url = {https://pubs.usgs.gov/publication/ds81},
  note = {Source identifier: ds81}
}