@misc{indiciaea1aaf397c172,
  title = {Geological Society of Washington},
  author = {W.F. Morsell},
  year = {1898},
  doi = {10.1126/science.7.159.71-a},
  url = {https://pubs.usgs.gov/publication/70207974},
  note = {Source identifier: 70207974}
}