@misc{indiciae22594ba1f99f,
  title = {FASTMAP source code and program disk},
  author = {C.A. Carlson},
  year = {1989},
  doi = {10.3133/ofr89184},
  url = {https://pubs.usgs.gov/publication/ofr89184},
  note = {Source identifier: ofr89184}
}