@misc{indiciae746b27f62109,
  title = {Sources and migration pathways of natural gas in near-surface ground water beneath the Animas River valley, Colorado and New Mexico},
  author = {Daniel T. Chafin},
  year = {1994},
  doi = {10.3133/wri944006},
  url = {https://pubs.usgs.gov/publication/wri944006},
  note = {Source identifier: wri944006}
}