@misc{indiciaec05abbd483c9,
  title = {Earth fissures and localized differential subsidence},
  author = {Thomas L. Holzer and Earl Haig Pampeyan},
  year = {1979},
  doi = {10.3133/ofr79951},
  url = {https://pubs.usgs.gov/publication/ofr79951},
  note = {Source identifier: ofr79951}
}