Photographic image
Ailanthus altissima (Tree Of Heaven), leaf, lower surfaceMay 17 2012
Hedborn Jr., Edward A.
Photographic image
Ailanthus altissima (Tree Of Heaven), bud, lateralMay 17 2012
Hedborn Jr., Edward A.
Photographic image
Ailanthus altissima (Tree Of Heaven), bud, lateralMay 17 2012
Hedborn Jr., Edward A.
Photographic image
Two grounds staff dumping soil from wheel barrel and raking soil near lakeOctober 1992
Nachel, Jim
Map
Morton Arboretum [Aerial Photograph and] Conservation Plan Map, Kane-DuPage Soil Conservation District.June 1964
U.S. Soil Conservation Service
Map
Topographic Sketch of Morton Arboretum, Lisle, Illinois [handwritten notes]August 1921
O. C. Simonds & Co.
Plan
East Branch Detention Facility Preliminary PlanMay 23 2002
Christopher B. Burke, Engineering West, Ltd.
Photographic image
Meadow Lake, aerial view
Photographic image
Acer freemanii (Freeman's Maple), habit, fallOctober 17 2000
Hedborn Jr., Edward A.