@misc{indiciae0af4e1bea8a9,
  title = {Schlumberger soundings in the Durham-Wadesboro Triassic basin, North Carolina},
  author = {Robert J. Bisdorf and Hans D. Ackermann},
  year = {1976},
  doi = {10.3133/ofr76251},
  url = {https://pubs.usgs.gov/publication/ofr76251},
  note = {Source identifier: ofr76251}
}