@misc{indiciae3a2c170e8bed,
  title = {Correlation of lower, middle, and some Upper Jurassic rocks from Salter Canyon to Stoner in southwestern Colorado},
  author = {R. B. O'Sullivan},
  year = {1997},
  doi = {10.3133/i2603},
  url = {https://pubs.usgs.gov/publication/i2603},
  note = {Source identifier: i2603}
}