@misc{indiciaea7a72e880e5d,
  title = {Formation of solution-subsidence sinkholes above salt beds},
  author = {John R. Ege},
  year = {1984},
  doi = {10.3133/cir897},
  url = {https://pubs.usgs.gov/publication/cir897},
  note = {Source identifier: cir897}
}