@misc{indiciaeef756c74ab71,
  title = {Aeromagnetic map of Mifflin and vicinity, Wisconsin},
  author = {William J. Dempsey and John R. Kirby},
  year = {1958},
  doi = {10.3133/ofr5830},
  url = {https://pubs.usgs.gov/publication/ofr5830},
  note = {Source identifier: ofr5830}
}