@misc{indiciaeeecb5b0d2e88,
  title = {Digital line graph attribute coding standards},
  author = {William R. Allder and A.J. Sziede and R.B. McEwen and F.J. Beck},
  year = {1984},
  doi = {10.3133/cir895g},
  url = {https://pubs.usgs.gov/publication/cir895G},
  note = {Source identifier: cir895G}
}