@misc{indiciae884cf0522033,
  title = {Alaska resource data file: Atka quadrangle},
  author = {Steven H. Pilcher},
  year = {2000},
  doi = {10.3133/ofr0021},
  url = {https://pubs.usgs.gov/publication/ofr0021},
  note = {Source identifier: ofr0021}
}