@misc{indiciae5b31e63cc6aa,
  title = {Roberts rift, Canyonlands, Utah, a natural hydraulic fracture caused by comet or asteroid impact},
  author = {Peter W. Huntoon and Eugene Merle Shoemaker},
  year = {2005},
  doi = {10.1111/j.1745-6584.1995.tb00311.x},
  url = {https://pubs.usgs.gov/publication/70226688},
  note = {Source identifier: 70226688}
}