@misc{indiciaea6ecaab2d65a,
  title = {Bouguer gravity map of northern Alaska},
  author = {David F. Barnes},
  year = {1978},
  doi = {10.3133/ofr77166a},
  url = {https://pubs.usgs.gov/publication/ofr77166A},
  note = {Source identifier: ofr77166A}
}