@misc{indiciae1098ec491a24,
  title = {Simple Bouguer gravity anomaly map and geologic interpretation, Iron River 1 degree by 2 degree Quadrangle, northern Michigan and Wisconsin},
  author = {J. S. Klasner and W. J. Jones},
  year = {1979},
  doi = {10.3133/ofr791564},
  url = {https://pubs.usgs.gov/publication/ofr791564},
  note = {Source identifier: ofr791564}
}