@misc{indiciae87fb5d8abfeb,
  title = {Contributions to economic geology (short papers and preliminary reports), 1917 : Part 1. - Metals and nonmetals except fuels},
  author = {F. L. Ransome and Ernest Francis Burchard and Hoyt S. Gale},
  year = {1918},
  doi = {10.3133/b660},
  url = {https://pubs.usgs.gov/publication/b660},
  note = {Source identifier: b660}
}