@misc{indiciaeb7e1b7d1c4aa,
  title = {Reconnaissance geologic map of the Halifax, Scottsburg, Nathalie, and Conner Lake 7.5-minute quadrangles, Halifax and Charlotte counties, Virginia},
  author = {A. E. Nelson and F.J. Nelson},
  year = {1997},
  doi = {10.3133/ofr97707},
  url = {https://pubs.usgs.gov/publication/ofr97707},
  note = {Source identifier: ofr97707}
}