@misc{indiciae06cfd2144967,
  title = {Stratigraphy and depositional environment of the Dutch Harbor Member of the Unalaska Formation, Unalaska Island, Alaska},
  author = {S.M. Lankford and J. M. Hill},
  year = {1979},
  doi = {10.3133/b1457b},
  url = {https://pubs.usgs.gov/publication/b1457B},
  note = {Source identifier: b1457B}
}