@misc{indiciaed666f3cd6d39,
  title = {Geophysical and geological investigations relating to earthquakes in the Denver area, Colorado},
  author = {J. H. Healy and and others},
  year = {1966},
  doi = {10.3133/ofr6660},
  url = {https://pubs.usgs.gov/publication/ofr6660},
  note = {Source identifier: ofr6660}
}