@misc{indiciaeff764e284b37,
  title = {Stratigraphy and structure of the area of the Kurupa, Oolamnagavik, Killik, and Colville Rivers},
  author = {Robert M. Chapman and R. F. Thurrell},
  year = {1947},
  doi = {10.3133/70210457},
  url = {https://pubs.usgs.gov/publication/70210457},
  note = {Source identifier: 70210457}
}