@misc{indiciaeb389ddfe9bd6,
  title = {Contributions to economic geology (short papers and preliminary reports), 1925: Part II. - Mineral fuels},
  author = {William Taylor Thom},
  year = {1926},
  doi = {10.3133/b781},
  url = {https://pubs.usgs.gov/publication/b781},
  note = {Source identifier: b781}
}