@misc{indiciae7ad22518443c,
  title = {Geologic map of the Craig C-4 quadrangle, Alaska},
  author = {Michael Churkin and G. Donald Eberlein},
  year = {1975},
  doi = {10.3133/gq1169},
  url = {https://pubs.usgs.gov/publication/gq1169},
  note = {Source identifier: gq1169}
}