@misc{indiciaea64448732026,
  title = {Proceedings of the U.S. Geological Survey Eighth Biennial Geographic Information Science Workshop and first The National Map Users Conference, Denver, Colorado, May 10-13, 2011},
  year = {2014},
  doi = {10.3133/sir20115053},
  url = {https://pubs.usgs.gov/publication/sir20115053},
  note = {Source identifier: sir20115053}
}