@misc{indiciae8a50927c4b4f,
  title = {Stratigraphy and structure of the area of the Avalik and Ketik Rivers},
  author = {Karl Stefansson and Marvin D. Mangus},
  year = {1949},
  doi = {10.3133/70210420},
  url = {https://pubs.usgs.gov/publication/70210420},
  note = {Source identifier: 70210420}
}