@misc{indiciae4515104e79cb,
  title = {Our mineral supplies--Bibliography},
  author = {G. M. Compiled under the direction of Wood},
  year = {1919},
  doi = {10.3133/b666gg},
  url = {https://pubs.usgs.gov/publication/b666GG},
  note = {Source identifier: b666GG}
}