@misc{indiciae966320126806,
  title = {Principal facts for gravity stations in the Rat Islands and Delarof Islands and Tanaga Island, Alaska},
  author = {D.L. Healey},
  year = {1975},
  doi = {10.3133/70156983},
  url = {https://pubs.usgs.gov/publication/70156983},
  note = {Source identifier: 70156983}
}