@misc{indiciae06f1bb837699,
  title = {Distribution of gold, copper, and some other metals in the McCarthy B-4 and B-5 quadrangles, Alaska},
  author = {E. M. MacKevett and James G. Smith},
  year = {1968},
  doi = {10.3133/cir604},
  url = {https://pubs.usgs.gov/publication/cir604},
  note = {Source identifier: cir604}
}