@misc{indiciae0a60cbdbfa16,
  title = {Aeromagnetic map of the Shambo quadrangle, Bearpaw Mountains, Montana},
  author = {J. R. Balsley and F. P. Gilbert and G. B. Mangan},
  year = {1957},
  doi = {10.3133/gp151},
  url = {https://pubs.usgs.gov/publication/gp151},
  note = {Source identifier: gp151}
}