@misc{indiciaeb10792bc1474,
  title = {Gravity observations and Bouguer anomaly values for eastern Tennessee},
  author = {J. S. Watkins and Zvi Yuval},
  year = {1971},
  doi = {10.3133/70043276},
  url = {https://pubs.usgs.gov/publication/70043276},
  note = {Source identifier: 70043276}
}