@misc{indiciaedc8c2970c8c6,
  title = {Seismic reflection studies of sinkholes and limestone dissolution features on the northeastern Florida shelf},
  author = {Peter Popenoe and F. A. Kohout and F.T. Manheim},
  year = {1984},
  url = {https://pubs.usgs.gov/publication/70013416},
  note = {Source identifier: 70013416}
}