@misc{indiciae0f1676992b6f,
  title = {Mountains and plains Denver's geologic setting},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1967},
  doi = {10.3133/70039249},
  url = {https://pubs.usgs.gov/publication/70039249},
  note = {Source identifier: 70039249}
}