@misc{indiciae24f5fb8c5f30,
  title = {Contributions to economic geology (short papers and preliminary reports), 1917: Part II. - Mineral fuels},
  author = {David White},
  year = {1918},
  doi = {10.3133/b661},
  url = {https://pubs.usgs.gov/publication/b661},
  note = {Source identifier: b661}
}