Photographic image
Collaborative researchers from Northern Illinois University and Arboretum staff study root-system-nutrient interrelationships1982 – 1983
Kohout, John
Map
The Morton Arboretum [guide map and collections grid, including notes on flooding]1982
Coulter, Ronald M.
Photographic image
Acer ginnala (Amur maple), along paved path near Administration Building in fall1980s