@misc{indiciae4808480c60d0,
  title = {Total intensity aeromagnetic map of Bonne Terre quadrangle, Missouri},
  author = {William J. Dempsey and R. T. Duffner and Fred Keller and J. R. Henderson},
  year = {1950},
  doi = {10.3133/gp14},
  url = {https://pubs.usgs.gov/publication/gp14},
  note = {Source identifier: gp14}
}