@misc{indiciaea3c6e8d1ae22,
  title = {Stratigraphy of the Cambrian and Ordovician rocks of east-central Alaska},
  author = {Earl E. Brabb},
  year = {1967},
  doi = {10.3133/pp559a},
  url = {https://pubs.usgs.gov/publication/pp559A},
  note = {Source identifier: pp559A}
}