@misc{indiciae03d91b5de8f3,
  title = {Tungsten deposits of Copper Mountain, Fremont County, Wyoming},
  author = {S. W. Hobbs},
  year = {1943},
  doi = {10.3133/ofr4316},
  url = {https://pubs.usgs.gov/publication/ofr4316},
  note = {Source identifier: ofr4316}
}