@misc{indiciaee69a1d9cca9a,
  title = {Aeromagnetic map of the Zorzor quadrangle, Liberia},
  author = {John Charles Behrendt and Cletus S. Wotorson},
  year = {1976},
  doi = {10.3133/ofr7127},
  url = {https://pubs.usgs.gov/publication/ofr7127},
  note = {Source identifier: ofr7127}
}