@misc{indiciae43a924137041,
  title = {Survey of geologic research on Green River oil shale},
  author = {John R. Dyni},
  year = {1977},
  doi = {10.3133/ofr77176},
  url = {https://pubs.usgs.gov/publication/ofr77176},
  note = {Source identifier: ofr77176}
}