@misc{indiciaec8631770ccf0,
  title = {Simple Bouguer gravity map of the Charlotte 1 degree by 2 degrees Quadrangle, North Carolina and South Carolina},
  author = {F.A. Wilson and D. L. Daniels},
  year = {1980},
  doi = {10.3133/i1251a},
  url = {https://pubs.usgs.gov/publication/i1251A},
  note = {Source identifier: i1251A}
}