@misc{indiciaed8b8c404d2f4,
  title = {Occurrence and origin of natural gas in ground water, southern Weld County, Colorado},
  author = {D. D. Rice and C. N. Threlkeld},
  year = {1982},
  doi = {10.3133/ofr82496},
  url = {https://pubs.usgs.gov/publication/ofr82496},
  note = {Source identifier: ofr82496}
}