@misc{indiciaee8f2688eb9c3,
  title = {Sampler of digital rock core information from the Core Research Center},
  author = {Michael P. Pantea and Frances Gay and Russell A. Ambroziak},
  year = {1991},
  doi = {10.3133/ofr91355},
  url = {https://pubs.usgs.gov/publication/ofr91355},
  note = {Source identifier: ofr91355}
}