@misc{indiciaee6314c4ff559,
  title = {Aeromagnetic, Bouguer gravity, and generalized geologic studies of the Great Falls-Mission Range area, northwestern Montana},
  author = {M. Dean Kleinkopf and Melville Rhodes Mudge},
  year = {1972},
  doi = {10.3133/pp726a},
  url = {https://pubs.usgs.gov/publication/pp726A},
  note = {Source identifier: pp726A}
}