@misc{indiciaebd06307f1bde,
  title = {Complete Bouguer gravity map of the Sherbrooke and Lewiston 1° x 2° quadrangles, Maine, New Hampshire, Vermont, and adjacent Quebec},
  author = {Wallace A. Bothner},
  year = {1985},
  doi = {10.3133/ofr8517},
  url = {https://pubs.usgs.gov/publication/ofr8517},
  note = {Source identifier: ofr8517}
}