@misc{indiciaedd574d36bffc,
  title = {Total petroleum system and assessment of coalbed gas in the Powder River Basin Province, Wyoming and Montana},
  author = {U.S. Geological Survey Powder River Basin Province Assessment Team},
  year = {2004},
  doi = {10.3133/ds69c},
  url = {https://pubs.usgs.gov/publication/ds69C},
  note = {Source identifier: ds69C}
}