@misc{indiciaeec742edca38a,
  title = {Assessment of deep conventional and continuous-type (unconventional) natural gas plays in the United States},
  author = {T. S. Dyman and J. W. Schmoker and D. H. Root},
  year = {1996},
  doi = {10.3133/ofr96529},
  url = {https://pubs.usgs.gov/publication/ofr96529},
  note = {Source identifier: ofr96529}
}