@misc{indiciae667ea22652de,
  title = {Piedmont geology of the Stafford, Storck, Salem Church, and Fredericksburg quadrangles, Stafford, Fauquier, and Spotsylvania Counties, Virginia},
  author = {Louis Pavlides},
  year = {1995},
  doi = {10.3133/ofr95577},
  url = {https://pubs.usgs.gov/publication/ofr95577},
  note = {Source identifier: ofr95577}
}