@misc{indiciaef67202c45429,
  title = {Reconnaissance geology of southern Atka Island, Aleutian Islands, Alaska},
  author = {James R. Hein and Hugh McLean and T.L. Vallier},
  year = {1984},
  doi = {10.3133/b1609},
  url = {https://pubs.usgs.gov/publication/b1609},
  note = {Source identifier: b1609}
}