@misc{indiciae6f05a2d88a5c,
  title = {Basement depths from widely spaced aeromagnetic profiles in Kansas and Nebraska},
  author = {Joel S. Watkins},
  year = {1964},
  doi = {10.1190/1.1439336},
  url = {https://pubs.usgs.gov/publication/70221176},
  note = {Source identifier: 70221176}
}