1. High resolution land cover for Chicago Region (2010)
- Author(s):
- University of Vermont Spatial Analysis Laboratory
2. Urban tree database
- Author(s):
- McPherson, E. Gregory; van Doorn, Natalie S.; Peper, Paula J.
3. Measuring managers' perceptions of llama use in wild areas - data from 1993
- Author(s):
- Watson, Alan E.; Zaglauer, Hans P.
U.S. Department of Agriculture