@misc{indiciaeece98e9d1685,
  title = {Complete Bouguer gravity anomaly map of the International Falls 1 °X 2° quadrangle, Minnesota and Ontario},
  author = {Val W. Chandler and Robert Horton},
  year = {1988},
  doi = {10.3133/ofr88265},
  url = {https://pubs.usgs.gov/publication/ofr88265},
  note = {Source identifier: ofr88265}
}