@misc{indiciaebcb67608f868,
  title = {Total Petroleum Systems and Geologic Assessment of Oil and Gas Resources in the Powder River Basin Province, Wyoming and Montana},
  year = {2009},
  doi = {10.3133/ds69u},
  url = {https://pubs.usgs.gov/publication/ds69U},
  note = {Source identifier: ds69U}
}