@misc{indiciae90486af0ce22,
  title = {The U.S. Geological Survey cartographic and geographic information science research activities 2006-2010},
  author = {E. Lynn Usery},
  year = {2011},
  doi = {10.1559/15230406382302},
  url = {https://pubs.usgs.gov/publication/70003793},
  note = {Source identifier: 70003793}
}