@misc{indiciaee4b718d2ebf5,
  title = {Principal facts for 1747 gravity stations in southern Kansas and central Oklahoma},
  author = {S. L. Robbins and Courteney Williamson and Meridee Jones-Cecil},
  year = {1991},
  doi = {10.3133/ofr91335},
  url = {https://pubs.usgs.gov/publication/ofr91335},
  note = {Source identifier: ofr91335}
}