@misc{indiciaecea1791eaf0a,
  title = {Selected references: Gas geochemistry of the central and southern Appalachian basin},
  author = {Erika E. Lentz and Leslie F. Ruppert and Yomayra A. Roman Colon},
  year = {2014},
  doi = {10.3133/pp1708h.6},
  url = {https://pubs.usgs.gov/publication/pp1708H.6},
  note = {Source identifier: pp1708H.6}
}