@misc{indiciae96a30bf3ace3,
  title = {Gravity observations and Bouguer anomalies in the Albemarle, Denton, Mt. Pleasant, and Salisbury quadrangles, North Carolina},
  author = {Zvi Yuval},
  year = {1963},
  doi = {10.3133/ofr63145},
  url = {https://pubs.usgs.gov/publication/ofr63145},
  note = {Source identifier: ofr63145}
}