@misc{indiciaeb36b2c148a57,
  title = {Geology and submarine physiography of Amchitka Island, Alaska},
  author = {Howard Adorno Powers and Robert Roy Coats and Willis H. Nelson},
  year = {1960},
  doi = {10.3133/b1028p},
  url = {https://pubs.usgs.gov/publication/b1028P},
  note = {Source identifier: b1028P}
}