@misc{indiciae6e7c1bd21a18,
  title = {Relations between sinkhole density and anthropogenic contaminants in selected carbonate aquifers in the eastern United States},
  author = {Bruce D. Lindsey and Brian G. Katz and Marian P. Berndt and Ann F. Ardis and Kenneth A. Skach},
  year = {2009},
  doi = {10.1007/s12665-009-0252-9},
  url = {https://pubs.usgs.gov/publication/70003741},
  note = {Source identifier: 70003741}
}