@misc{indiciae9ef1cb512eb9,
  title = {A guide to the geology of Organ Pipe Cactus National Monument and the Pinacate Biosphere Reserve},
  author = {John V. Bezy and James T. Gutmann and Gordon Haxel},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/70073353},
  note = {Source identifier: 70073353}
}