@misc{indiciaeebaba06279fc,
  title = {Sandstone composition of the Valdez and Orca groups, Prince William Sound, Alaska},
  author = {Julie A. Dumoulin},
  year = {1987},
  doi = {10.3133/b1774},
  url = {https://pubs.usgs.gov/publication/b1774},
  note = {Source identifier: b1774}
}