@misc{indiciaec2f35c3b7f8c,
  title = {Interpretation of an aeromagnetic survey of parts of Shannon, Carter, Oregon, and Ripley counties in southeastern Missouri},
  author = {Allan Spector and Gerda Abrams},
  year = {1982},
  doi = {10.3133/ofr82832},
  url = {https://pubs.usgs.gov/publication/ofr82832},
  note = {Source identifier: ofr82832}
}