@misc{indiciae47f4d39d3681,
  title = {Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, December 1980},
  author = {J.B. Townshend and J.E. Papp and E.A. Sauter and S.P. Tilton},
  year = {1980},
  doi = {10.3133/ofr80300l},
  url = {https://pubs.usgs.gov/publication/ofr80300L},
  note = {Source identifier: ofr80300L}
}