1. University of Pennsylvania campus tree inventories, 2003 and 2014
- Author(s):
- Roman, Lara A.; Fristensky, Jason P.; Lundgren, Robert E.; Cerwinka, Chloe E.; Lubar, Jason E.
2. Soil profile morphology and chemistry, Allegheny National Forest, PA, 1997-2017
- Author(s):
- Bailey, Scott W.; Long, Robert P.; Horsley, Stephen B.
3. Fire-adapted witness trees across the northeastern United States including four National Forests
- Author(s):
- Thomas-Van Gundy, Melissa A.; Nowacki, Gregory J.; Cogbill, Charles V.
U.S. Department of Agriculture