@misc{indiciaeb8fceb283b52,
  title = {Appalachian Basin symposium; program and extended abstracts},
  author = {Arthur P. Schultz},
  year = {1989},
  doi = {10.3133/cir1028},
  url = {https://pubs.usgs.gov/publication/cir1028},
  note = {Source identifier: cir1028}
}