U.S. Department of Agriculture1. Twenty-year tree measurement data from true fir spacing trials in the Pacific Northwest
- Author(s):
- Harrington, Constance
2. Douglas-fir levels of growing stock study (LOGS) data from the Pacific Northwest
- Author(s):
- Harrington, Constance A.
3. Season and interval of burning and cattle exclusion in the southern Blue Mountains, Oregon: Overstory tree height, diameter and growth
- Author(s):
- Kerns, Becky K.; Westlind, Douglas J.; Day, Michelle A.
4. Urban tree database
- Author(s):
- McPherson, E. Gregory; van Doorn, Natalie S.; Peper, Paula J.