@misc{indiciae305b6e8b8b9a,
  title = {Historical rock falls in Yosemite National Park, California},
  author = {Gerald F. Wieczorek and James B. Snyder},
  year = {2004},
  doi = {10.3133/ofr03491},
  url = {https://pubs.usgs.gov/publication/ofr03491},
  note = {Source identifier: ofr03491}
}