@misc{indiciae12b091280998,
  title = {Ontological Issues for national topographic mapping},
  author = {Dalia E. Varanka and E. Lynn Usery},
  year = {2010},
  doi = {10.3138/carto.45.2.103},
  url = {https://pubs.usgs.gov/publication/70201143},
  note = {Source identifier: 70201143}
}