@misc{indiciae2afd49714510,
  title = {Contributions to economic geology, 1920, Part I, Metals and nonmetals except fuels--The Mogollon district, New Mexico},
  author = {H.G. Ferguson},
  year = {1921},
  doi = {10.3133/b715l},
  url = {https://pubs.usgs.gov/publication/b715L},
  note = {Source identifier: b715L}
}