@misc{indiciae0b73f4f303c5,
  title = {Mineral resources map of the McCarthy Quadrangle, Alaska},
  author = {D.A. Singer and E.M. MacKevett},
  year = {1977},
  doi = {10.3133/mf773c},
  url = {https://pubs.usgs.gov/publication/mf773C},
  note = {Source identifier: mf773C}
}