@misc{indiciae29aea2fb3a04,
  title = {The cost of karst subsidence and sinkhole collapse in the United States compared with other natural hazards},
  author = {David J. Weary},
  year = {2015},
  doi = {10.5038/9780991000951},
  url = {https://pubs.usgs.gov/publication/70155910},
  note = {Source identifier: 70155910}
}