@misc{indiciae3bc105c6fec4,
  title = {Piceance Creek Basin, Colorado, Oil Shale Geodatabase},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2006},
  doi = {10.3133/ds181},
  url = {https://pubs.usgs.gov/publication/ds181},
  note = {Source identifier: ds181}
}