@misc{indiciaed2d06193d013,
  title = {The geology of government explorations},
  author = {S. F. Emmons},
  year = {1897},
  doi = {10.1126/science.5.106.42},
  url = {https://pubs.usgs.gov/publication/70207976},
  note = {Source identifier: 70207976}
}