@misc{indiciae55a5a51c0f66,
  title = {Preliminary geologic map of the Coleen quadrangle, Alaska},
  author = {W. P. Brosge and H. N. Reiser},
  year = {1969},
  doi = {10.3133/ofr6925},
  url = {https://pubs.usgs.gov/publication/ofr6925},
  note = {Source identifier: ofr6925}
}