@misc{indiciaeb4323b4dab44,
  title = {Anomalous increases in piezometric levels in advance of longwall mining subsidence},
  author = {C.J. Booth and A.M. Curtiss and P.J. DeMaris and D. J. Van Roosendaal},
  year = {1999},
  doi = {10.2113/gseegeosci.v.4.407},
  url = {https://pubs.usgs.gov/publication/70021021},
  note = {Source identifier: 70021021}
}