Topographical Plat of Morton Arboretum, Lisle, Illinois [shading and notes]
Publication InformationChicago, Illinois
Digitization StatusNot yet digitized
Dimensions112 cm W x 72 cm H (Item)
Scale1 inch = 200 feet
Date createdAugust 1921
DescriptionTopographic survey made 1921-1922. True elevations are given. Collection has varied issuances made during the survey. Final version has title statement centered at top of map. It shows the date as follows: "Aug. 1921 - MCH 1922". Preliminary versions show title in lower righthand corner of map and give Aug. 1921 only as date. Areas surveyed and completion of topographical detail vary in preliminary issuances. This copy shows native woodland cover by colored shading; also it has been marked in ms. with the grid used in enlargements made and issued in Jan. 1922. Water levels of the East Branch of the Du Page River are indicated for October 11, 1921.
This copy includes shading and notes.