1. Penobscot Experimental Forest historical photo archive: Research and operations from the 1950s through the 1980s
- Author(s):
- Kenefic, Laura S.; Allogio, Jeanette A.; Ziegra, Carolyn G.; Rhodeland, Amelia J.; Anand, Varun A.
2. Tree grade, log grade and lumber grade yield data for 25 hardwood species from the eastern United States and Alaska
- Author(s):
- Wood, Frederica; Wiedenbeck, Janice K.; Yaussy, Daniel A.; Conner, Deborah A.; Porterfield, Elizabeth S.
U.S. Department of Agriculture