@misc{indiciae50c8886c2343,
  title = {Nebraska, Kansas, and Oklahoma aeromagnetic and gravity maps and data: A web site for distribution of data},
  author = {Ronald E. Sweeney and Patricia L. Hill},
  year = {2005},
  doi = {10.3133/ds138},
  url = {https://pubs.usgs.gov/publication/ds138},
  note = {Source identifier: ds138}
}