@misc{indiciaefc1217c9d0d4,
  title = {Digital cartography},
  author = {Michael A. Domaratz and Jo Anne Stapleton},
  year = {1983},
  doi = {10.3133/cir902b},
  url = {https://pubs.usgs.gov/publication/cir902B},
  note = {Source identifier: cir902B}
}