@misc{indiciaef7b1f8895df7,
  title = {Oil shale in the Green River Formation},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1969},
  doi = {10.3133/ofr69304},
  url = {https://pubs.usgs.gov/publication/ofr69304},
  note = {Source identifier: ofr69304}
}