@misc{indiciaeb824492a5b34,
  title = {Earth fissures and localized differential subsidence},
  author = {Thomas L. Holzer and Earl H. Pampeyan},
  year = {2010},
  doi = {10.1029/wr017i001p00223},
  url = {https://pubs.usgs.gov/publication/70012020},
  note = {Source identifier: 70012020}
}