@misc{indiciae36d5465990db,
  title = {An estimate of recoverable coal gas resources in the Powder River Basin, Wyoming},
  author = {Fred J. Crockett and Margaret S. Ellis and Gary D. Stricker and Greg Gunther and Allan M. Ochs and Romeo M. Flores},
  year = {2001},
  url = {https://pubs.usgs.gov/publication/70180710},
  note = {Source identifier: 70180710}
}