@misc{indiciae896b3d181ba7,
  title = {Mineralogy, diagenesis, and provenance of Upper Cretaceous sandstones from the Ralston Production Company Federal No. 31 well, Piceance Creek basin, north-western Colorado},
  author = {P. L. Hansley},
  year = {1981},
  doi = {10.3133/ofr811295},
  url = {https://pubs.usgs.gov/publication/ofr811295},
  note = {Source identifier: ofr811295}
}