@misc{indiciaef448a92d0aaf,
  title = {Paleogene geology and chronology of southwestern Umnak Island, Aleutian Islands, Alaska},
  author = {H. McLean and J.R. Hein},
  year = {1984},
  doi = {10.1139/e84-018},
  url = {https://pubs.usgs.gov/publication/70013869},
  note = {Source identifier: 70013869}
}