@misc{indiciae8b26a91a9ecb,
  title = {Causes of sinks near Tucson, Arizona, USA},
  author = {J.P. Hoffmann and D. R. Pool and A.D. Konieczki and M. C. Carpenter},
  year = {1998},
  doi = {10.1007/s100400050158},
  url = {https://pubs.usgs.gov/publication/70019805},
  note = {Source identifier: 70019805}
}