@misc{indiciaec827e1975a92,
  title = {U.S. Geological Survey Karst Interest Group Proceedings, October 19–20, 2021},
  year = {2021},
  doi = {10.3133/sir20205019},
  url = {https://pubs.usgs.gov/publication/sir20205019},
  note = {Source identifier: sir20205019}
}