@misc{indiciae1c36dc78c59a,
  title = {Mapping the middle and upper Devonian marine-nonmarine transition in the Appalachian Basin from West Virginia to New York.},
  author = {Daniel H. Doctor and Alan D. Pitts},
  year = {2023},
  url = {https://pubs.usgs.gov/publication/70267461},
  note = {Source identifier: 70267461}
}