@misc{indiciae7dd2cd3e4dce,
  title = {Geological Society of Washington},
  author = {W.F. Morsell},
  year = {1897},
  doi = {10.1126/science.6.152.814-a},
  url = {https://pubs.usgs.gov/publication/70010871},
  note = {Source identifier: 70010871}
}