@misc{indiciae7a0dca4b7c39,
  title = {Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: February 1983},
  author = {John B. Townshend and J.E. Papp and E.A. Sauter and T.K. Cunningham and L.Y. Torrence},
  year = {1983},
  doi = {10.3133/ofr83300b},
  url = {https://pubs.usgs.gov/publication/ofr83300B},
  note = {Source identifier: ofr83300B}
}