@misc{indiciae0121bb882443,
  title = {Geologic map of the McCarthy B-4 quadrangle, Alaska},
  author = {E. M. MacKevett and James G. Smith},
  year = {1972},
  doi = {10.3133/gq943},
  url = {https://pubs.usgs.gov/publication/gq943},
  note = {Source identifier: gq943}
}