@misc{indiciae2202aa0abbf9,
  title = {Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: April 1976},
  author = {John B. Townshend and J.E. Papp and M.J. Moorman and C.E. Deadmon and S.P. Tilton},
  year = {1976},
  doi = {10.3133/ofr76300d},
  url = {https://pubs.usgs.gov/publication/ofr76300D},
  note = {Source identifier: ofr76300D}
}