1. Historical woodland density of the conterminous United States, 1873
- Author(s):
- Liknes, Greg C.; Nelson, Mark D.; Kaisershot, Daniel J.
2. High resolution land cover for Mecklenburg County, NC (2012)
- Author(s):
- University of Vermont Spatial Analysis Laboratory
3. High resolution land cover for Washington DC (2006)
- Author(s):
- University of Vermont Spatial Analysis Laboratory
4. High resolution land cover for Washington DC (2011)
- Author(s):
- University of Vermont Spatial Analysis Laboratory