@misc{indiciae947066261c68,
  title = {Structural analysis of divergent folds in the Martinsburg and Oranda Formations; Middletown 7.5-minute Quadrangle, VA},
  author = {J. B. Epstein},
  year = {1993},
  doi = {10.3133/ofr9325},
  url = {https://pubs.usgs.gov/publication/ofr9325},
  note = {Source identifier: ofr9325}
}