@misc{indiciaea7acfb7087e8,
  title = {Bouguer gravity anomaly maps and four derivative maps of New Hampshire, Vermont, and vicinity},
  author = {Wallace A. Bothner and R.P. Kucks},
  year = {1993},
  doi = {10.3133/gp1005},
  url = {https://pubs.usgs.gov/publication/gp1005},
  note = {Source identifier: gp1005}
}