@misc{indiciae4be4491c7a32,
  title = {Subsurface geology of the Silent Canyon caldera, Nevada Test Site, Nevada},
  author = {Paul P. Orkild and F.M. Byers and D. L. Hoover and K. A. Sargent},
  year = {1968},
  doi = {10.3133/ofr68206},
  url = {https://pubs.usgs.gov/publication/ofr68206},
  note = {Source identifier: ofr68206}
}