@misc{indiciae663c68f62a14,
  title = {Map showing landslides in the Golden Quadrangle, Jefferson County, Colorado},
  author = {H. E. Simpson},
  year = {1973},
  doi = {10.3133/i761b},
  url = {https://pubs.usgs.gov/publication/i761B},
  note = {Source identifier: i761B}
}