U.S. Department of Agriculture1. Paired quality assurance and operational field data from the northern region of the U.S. Forest Inventory and Analysis program
- Author(s):
- Barnett, Charles J.; Young, Alexander R.
2. Use characteristics, visitor preferences, and conflict between horse users and hikers in the Charles C. Deam Wilderness Area: 1990-1991 visitor survey data
- Author(s):
- Watson, Alan E.; Daigle, John J.; Armatas, Chris A.; Campbell, Carly J.
3. High resolution land cover for Chicago Region (2010)
- Author(s):
- University of Vermont Spatial Analysis Laboratory
4. Urban tree database
- Author(s):
- McPherson, E. Gregory; van Doorn, Natalie S.; Peper, Paula J.