@misc{indiciae439a948b664a,
  title = {Proceedings of the U.S. Geological Survey Fifth Biennial Geographic Information Science Workshop: March 1-5, 2004, Denver, Colorado},
  author = {Stephen J. Char and Jennifer B. Sieverling},
  year = {2005},
  doi = {10.3133/sir20055236},
  url = {https://pubs.usgs.gov/publication/sir20055236},
  note = {Source identifier: sir20055236}
}