@misc{indiciaebd89354a09a4,
  title = {Reconnaissance bedrock geologic map of the Keysville 7.5-minute quadrangle, Prince Edward, Charlotte, and Lunenburg Counties, Virginia},
  author = {Paul C. Hackley and John D. Peper},
  year = {1998},
  doi = {10.3133/ofr98764},
  url = {https://pubs.usgs.gov/publication/ofr98764},
  note = {Source identifier: ofr98764}
}