@misc{indiciae6c6e52a2cf36,
  title = {Description and origin of the lower part of the Mesaverde Group in Rifle Gap, Garfield County, Colorado.},
  author = {D.J. Madden},
  year = {1985},
  url = {https://pubs.usgs.gov/publication/70012953},
  note = {Source identifier: 70012953}
}