@misc{indiciaeabf87f42e0b3,
  title = {Complete Bouguer gravity anomaly map of the state of Colorado},
  author = {Gerda A. Abrams},
  year = {1993},
  doi = {10.3133/mf2236},
  url = {https://pubs.usgs.gov/publication/mf2236},
  note = {Source identifier: mf2236}
}