@misc{indiciaeac553fd53082,
  title = {A vibration study of the archeological ruins, Hovenweep National Monument, Utah-Colorado},
  author = {K. W. King and S. T. Algermissen},
  year = {1987},
  doi = {10.3133/ofr87181},
  url = {https://pubs.usgs.gov/publication/ofr87181},
  note = {Source identifier: ofr87181}
}