@misc{indiciae37e39eee4eff,
  title = {Coalbed methane production in the Appalachian Basin},
  author = {R. C. Milici},
  year = {2002},
  doi = {10.3133/ofr02105},
  url = {https://pubs.usgs.gov/publication/ofr02105},
  note = {Source identifier: ofr02105}
}