@misc{indiciae3d83da358639,
  title = {Coalbed methane: an untapped energy resource and an environmental concern},
  author = {Dudley D. Rice},
  year = {1997},
  doi = {10.3133/fs01997},
  url = {https://pubs.usgs.gov/publication/fs01997},
  note = {Source identifier: fs01997}
}