@misc{indiciaeadca639407c0,
  title = {Preliminary data report conducted for the Colorado State Geological Survey on the Superconducting, Supercollider study},
  author = {D. S. Collins and T. C. Nichols},
  year = {1987},
  doi = {10.3133/ofr8755},
  url = {https://pubs.usgs.gov/publication/ofr8755},
  note = {Source identifier: ofr8755}
}