U.S. Department of Agriculture1. Alaska forestry research historical images
- Author(s):
- Barnard, Jeffrey C.; Nelson, Kellen N.
2. Historical photographs from U.S. Forest Service research and development activities in Alaska
- Author(s):
- Wright, Brenda E.; Plumb, Pauline; Wright, John; Biles, Frances E.
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. Long-term site responses to season and interval of underburns on the Georgia Piedmont
- Author(s):
- Wade, Dale D.