@misc{indiciaecb704e24085c,
  title = {Morphology and age of fault scarps in the Rio Grande Rift, south-central Colorado},
  author = {Steven M. Colman and William P. Rogers and R. M. Kirkham},
  year = {1986},
  url = {https://pubs.usgs.gov/publication/70197301},
  note = {Source identifier: 70197301}
}