@misc{indiciae89685ee2cc39,
  title = {Devonian rocks of the Yukon-Porcupine Rivers area and their tectonic relation to other Devonian sequences in Alaska},
  author = {Michael Churkin and Earl E. Brabb},
  year = {1967},
  url = {https://pubs.usgs.gov/publication/70197629},
  note = {Source identifier: 70197629}
}