@misc{indiciae3dfad07ed22f,
  title = {Geologic map of the Ferncliff and Louisa quadrangles, Louisa, Fluvanna, and Goochland Counties, Virginia},
  author = {William C. Burton and Richard W. Harrison and Helen F. Malenda and Frank J. Pazzaglia and E. Allen Crider,},
  year = {2019},
  doi = {10.3133/sim3429},
  url = {https://pubs.usgs.gov/publication/sim3429},
  note = {Source identifier: sim3429}
}