@misc{indiciaeada1a3c693ca,
  title = {Toppling analysis of the Echo Cliffs precariously balanced rock},
  author = {Swetha Veeraraghavan and Kenneth W. Hudnut and Swaminathan Krishnan},
  year = {2016},
  doi = {10.1785/0120160169},
  url = {https://pubs.usgs.gov/publication/70188344},
  note = {Source identifier: 70188344}
}