@misc{indiciae21d599b0198b,
  title = {Complete Bouguer gravity anomaly map of Ohio},
  author = {T.G. Hildenbrand and R.P. Kucks},
  year = {1984},
  doi = {10.3133/gp962},
  url = {https://pubs.usgs.gov/publication/gp962},
  note = {Source identifier: gp962}
}