Topographical Plat of Portion of Land to be Used for Morton Arboretum, Lisle, Illinois, July 1921 (3.5245)
Date: July 1921Creator: O. C. Simonds & Co.
Type: Map
Description:Each sheet is individually titled. Area covered extends from western boundary eastward to the East Woods. True elevations are given. Native woodland cover is shown, and legend identifies eight species of trees.
Extent: 2 sheets mounted as one map
[Aerial photo of sections of The Morton Arboretum] (3.6274)
Date: 1975Creator: Chicago Aerial Survey Co.
Type: Map
Description:Survey includes northwest portion of Arboretum (1" = 400') and "Johnson Farm" and Hidden Lake area. One photo by Chicago Aerial Survey, second photo unknown. "Johnson Farm" includes partial topographic overlay and boundaries of "existing holdings and proposed acquisitions."
Extent: 2 sheets