@misc{indiciaefee1ed97ae26,
  title = {Digital terrain in the Bethel, Russian Mission, and Goodnews Bay 1 degree X 3 degrees quadrangles, Alaska, including improved terrain for parts of these quadrangles},
  author = {Robert L. Morin},
  year = {1993},
  doi = {10.3133/ofr93702a},
  url = {https://pubs.usgs.gov/publication/ofr93702A},
  note = {Source identifier: ofr93702A}
}