@misc{indiciae7ceee279a8e8,
  title = {Calculated in situ rock density from gravity observations, UA-1 (Cannikin) emplacement hole, Amchitka Island, Alaska},
  author = {D.L. Healey},
  year = {1971},
  doi = {10.3133/70156927},
  url = {https://pubs.usgs.gov/publication/70156927},
  note = {Source identifier: 70156927}
}