@misc{indiciae2e77efd552c4,
  title = {Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: April 1986},
  author = {John B. Townshend and J.E. Papp and H.K. Rex and L.Y. Torrence and P.A. Franklin},
  year = {1986},
  doi = {10.3133/ofr86300d},
  url = {https://pubs.usgs.gov/publication/ofr86300D},
  note = {Source identifier: ofr86300D}
}