@misc{indiciae68ec953b9eb3,
  title = {Petroleum systems and assessment of undiscovered oil and gas in the Raton Basin – Sierra Grande Uplift Province, Colorado and New Mexico — USGS Province 41},
  author = {Debra K. Higley},
  year = {2007},
  doi = {10.3133/ds69n},
  url = {https://pubs.usgs.gov/publication/ds69N},
  note = {Source identifier: ds69N}
}