@misc{indiciaeddaabaf4211b,
  title = {Structural features of the Herndon Quadrangle, Virginia},
  author = {Arthur E. Nelson and R. E. Eggleton},
  year = {1976},
  doi = {10.3133/ofr76311},
  url = {https://pubs.usgs.gov/publication/ofr76311},
  note = {Source identifier: ofr76311}
}