@misc{indiciaeeb657b3369d7,
  title = {Aeromagnetic map of the southwestern part of Custer County, South Dakota},
  author = {J. L. Meuschke and R.W. Johnson and J.R. Kirby},
  year = {1963},
  doi = {10.3133/gp362},
  url = {https://pubs.usgs.gov/publication/gp362},
  note = {Source identifier: gp362}
}