@misc{indiciae833e4d71171a,
  title = {Mineral occurrence map of the Medfra quadrangle, Alaska},
  author = {C. E. Schwab and W. W. Patton and E. J. Moll},
  year = {1981},
  doi = {10.3133/ofr80811b},
  url = {https://pubs.usgs.gov/publication/ofr80811B},
  note = {Source identifier: ofr80811B}
}