@misc{indiciae215a0e30b669,
  title = {Journal of Research of the U. S. Geological Survey, 1978, volume 6, issue 2},
  year = {1978},
  doi = {10.3133/70007425},
  url = {https://pubs.usgs.gov/publication/70007425},
  note = {Source identifier: 70007425}
}