@misc{indiciae95bcad14488b,
  title = {Occurrence and significance of Silurian K-bentonite beds at Arisaig, Nova Scotia, eastern Canada},
  author = {Stig M. Bergstrom and W.D. Huff and Dennis R. Kolata and Michael J. Melchin},
  year = {1997},
  doi = {10.1139/e17-131},
  url = {https://pubs.usgs.gov/publication/70019266},
  note = {Source identifier: 70019266}
}