@misc{indiciae1a28c94f3d1a,
  title = {USGS geologic Mapping and karst research in the Ozark National Scenic Riverways, Missouri, USA},
  author = {David J. Weary and Victoria M Grant},
  year = {2014},
  url = {https://pubs.usgs.gov/publication/70171553},
  note = {Source identifier: 70171553}
}