@misc{indiciaeee29db559c53,
  title = {Reconnaissance bedrock geologic map of the Red House, Madisonville, Aspen, and Charlotte Court House 7.5-minute quadrangles, Charlotte, Prince Edward, Appomattox, Campbell, and Halifax counties, Virginia},
  author = {Arthur E. Nelson and John D. Marr and Keith E. Olinger},
  year = {2000},
  doi = {10.3133/ofr99538},
  url = {https://pubs.usgs.gov/publication/ofr99538},
  note = {Source identifier: ofr99538}
}