@misc{indiciae9762cf471902,
  title = {Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: July 1983},
  author = {John B. Townshend and J.E. Papp and E.A. Sauter and L.Y. Torrence and T.K. Cunningham},
  year = {1983},
  doi = {10.3133/ofr83300g},
  url = {https://pubs.usgs.gov/publication/ofr83300G},
  note = {Source identifier: ofr83300G}
}