@misc{indiciae73c47296411d,
  title = {USGS Library/SIGCAT CD-ROM compendium},
  author = {I.S. Bridgett and T.R. Miller},
  year = {1991},
  doi = {10.3133/ofr9140},
  url = {https://pubs.usgs.gov/publication/ofr9140},
  note = {Source identifier: ofr9140}
}