@misc{indiciaeec523d784c10,
  title = {Geological Society of Washington},
  author = {W.F. Morsell},
  year = {1896},
  doi = {10.1126/science.3.74.822},
  url = {https://pubs.usgs.gov/publication/70207979},
  note = {Source identifier: 70207979}
}