@misc{indiciae3a189927b7e1,
  title = {A terracing operator for physical property mapping with potential field data},
  author = {L. Cordell and A. E. McCafferty},
  year = {1989},
  doi = {10.1190/1.1442689},
  url = {https://pubs.usgs.gov/publication/70015911},
  note = {Source identifier: 70015911}
}