@misc{indiciae4ad694133406,
  title = {Complete Bouguer and free-air gravity anomaly maps of the Delarof Islands and Tanaga Island, Alaska},
  author = {D.L. Healey and J.D. Kibler},
  year = {1976},
  doi = {10.3133/gp908},
  url = {https://pubs.usgs.gov/publication/gp908},
  note = {Source identifier: gp908}
}