@misc{indiciae238c51cd06ca,
  title = {Location of abandoned wells by magnetic surveys; acquisition and interpretation of aeromagnetic data for five test areas},
  author = {F.C. Frischknecht and R. Grette and P. V. Raab and J. Meredith},
  year = {1985},
  doi = {10.3133/ofr85614a},
  url = {https://pubs.usgs.gov/publication/ofr85614A},
  note = {Source identifier: ofr85614A}
}