@misc{indiciaeda749165b99a,
  title = {Map of a part of Prince William Sound area, Alaska, showing linear geologic features as shown on aerial photographs},
  author = {W. H. Condon and J.T. Cass},
  year = {1958},
  doi = {10.3133/i273},
  url = {https://pubs.usgs.gov/publication/i273},
  note = {Source identifier: i273}
}