@misc{indiciae5338f7d13b9a,
  title = {Applied cartographic communication: map symbolization for atlases.},
  author = {J. L. Morrison},
  year = {1984},
  doi = {10.3138/x43x-4479-4g34-j674},
  url = {https://pubs.usgs.gov/publication/70012869},
  note = {Source identifier: 70012869}
}