@misc{indiciae54870260636f,
  title = {Stability of leaning column at Devils Tower National Monument, Wyoming},
  author = {Edwin L. Harp and Charles R. Lindsay},
  year = {2006},
  doi = {10.3133/ofr20061130},
  url = {https://pubs.usgs.gov/publication/ofr20061130},
  note = {Source identifier: ofr20061130}
}