1. Larch needle cast surveys in Wisconsin, Iowa, and Michigan, summer 1981
- Author(s):
- Robbins, Kathryn
2. Data from the "Tree Quality Outcomes of Silvicultural Treatments” study at the Penobscot Experimental Forest
- Author(s):
- Kenefic, Laura S.; Gerndt, Kathryn M.; Rogers, Nicole S.; Castle, Mark E.; Weiskittel, Aaron R.
U.S. Department of Agriculture