1. 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.
2. Philadelphia park tree cover data, 1959-2018
- Author(s):
- Nix, Sabine A.; Roman, Lara A.; Healy, Marc; Rogan, John; Pearsall, Hamil
3. Philadelphia land cover change data, 1970-2010
- Author(s):
- Roman, Lara A.; Catton, Indigo J.; Greenfield, Eric J.; Pearsall, Hamil; Eisenman, Theodore S.; Henning, Jason G.
4. Primeval paths: Bison in West Virginia
- Author(s):
- Thomas-Van Gundy, Melissa A.; Perkins, Jessica D.; Smith, Linda S.