@misc{indiciae018431cd2d03,
  title = {The Devonian Marcellus Shale and Millboro Shale},
  author = {Daniel J. Soeder and Catherine B. Enomoto and John A. Chermak},
  year = {2014},
  doi = {10.1130/2014.0035(05)​},
  url = {https://pubs.usgs.gov/publication/70074726},
  note = {Source identifier: 70074726}
}