@misc{indiciae5a25fa0a5c54,
  title = {Preliminary report on the stratigraphy and structure of the Kukpowruk and Kokolik Rivers area, Alaska},
  author = {Robert M. Chapman and Edward G. Sable},
  year = {1949},
  doi = {10.3133/70222231},
  url = {https://pubs.usgs.gov/publication/70222231},
  note = {Source identifier: 70222231}
}