Browsing by people, organizations and landmarks: Subject/Keyword:
Hidden Lake Forest Preserve [site survey, ecological reconstruction, ecosystems/ecological value, slope, hydrology, soils, minerals, cultural improvements, and neighboring land use] (3.5833)
Date: circa 1975Creator: Forest Preserve District of DuPage County
Type: Map
Description:Subtitle above is summary of sheet-titles. A portion of this land parcel is leased by the Arboretum as a part of the Illinois State Toll Highway agreement of 1985. For a representation of the area leased, see DuPage County. Forest Preserve District. Hidden Lake Forest Preserve ... Arboretum-Forest Preserve District cooperative research program space study (SURV:B VI (c) 1).
Extent: 9 sheets stapled
Existing and proposed watersheds, North-South Tollway plan (3.5865)
Date: March 1 1986Creator: Illinois State Toll Highway Authority
Type: Map
Description:The principal title above appears in ms. added to drawing 6 in the State Toll Highway Authority's aerial survey on which the plan for the North-South Tollway was drawn in (See BOUND:C III (c) 1). Watershed features are also drawn in in this work which appears in 3 sheets labelled in ms.: drawing no. 88-89, and 91.
Extent: 3 sheets stapled