@misc{indiciaeeb5e263fa38f,
  title = {Aeromagnetic map of the Buchanan Quadrangle, Liberia},
  author = {John C. Behrendt and C.S. Wotorson},
  year = {1974},
  doi = {10.3133/i778b},
  url = {https://pubs.usgs.gov/publication/i778B},
  note = {Source identifier: i778B}
}