@misc{indiciaed5ee47786a4e,
  title = {Phosphate deposits in northern Alaska},
  author = {W. W. Patton and J.J. Matzko},
  year = {1959},
  doi = {10.3133/pp302a},
  url = {https://pubs.usgs.gov/publication/pp302A},
  note = {Source identifier: pp302A}
}