@misc{indiciae79bb370a5d2d,
  title = {Free-air gravity anomaly map of the Umnak Plateau region, southeastern Bering Sea},
  author = {J.R. Childs and H.W. Magistrale and A. K. Cooper},
  year = {1987},
  doi = {10.3133/gp970},
  url = {https://pubs.usgs.gov/publication/gp970},
  note = {Source identifier: gp970}
}